diff --git a/R/class-workbook-wrappers.R b/R/class-workbook-wrappers.R
index afc15d781..9aed29d4f 100644
--- a/R/class-workbook-wrappers.R
+++ b/R/class-workbook-wrappers.R
@@ -520,22 +520,22 @@ wb_add_chartsheet <- function(
 #'
 #' @param wb A Workbook object to attach the new worksheet
 #' @param sheet A name for the new worksheet
-#' @param gridLines A logical. If `FALSE`, the worksheet grid lines will be
+#' @param grid_lines A logical. If `FALSE`, the worksheet grid lines will be
 #'   hidden.
-#' @param rowColHeaders A logical. If `FALSE`, the worksheet colname and rowname will be
+#' @param row_col_headers A logical. If `FALSE`, the worksheet colname and rowname will be
 #'   hidden.
-#' @param tabColor Color of the worksheet tab. A valid color (belonging to
+#' @param tab_color Color of the worksheet tab. A valid color (belonging to
 #'   colors()) or a valid hex color beginning with "#"
 #' @param zoom A numeric between 10 and 400. Worksheet zoom level as a
 #'   percentage.
-#' @param header,oddHeader,evenHeader,firstHeader,footer,oddFooter,evenFooter,firstFooter
+#' @param header,odd_header,even_header,first_header,footer,odd_footer,even_footer,first_footer
 #'   Character vector of length 3 corresponding to positions left, center,
 #'   right.  `header` and `footer` are used to default additional arguments.
 #'   Setting `even`, `odd`, or `first`, overrides `header`/`footer`. Use `NA` to
 #'   skip a position.
 #' @param visible If FALSE, sheet is hidden else visible.
-#' @param hasDrawing If TRUE prepare a drawing output (TODO does this work?)
-#' @param paperSize An integer corresponding to a paper size. See ?ws_page_setup for
+#' @param has_drawing If TRUE prepare a drawing output (TODO does this work?)
+#' @param paper_size An integer corresponding to a paper size. See ?ws_page_setup for
 #'   details.
 #' @param orientation One of "portrait" or "landscape"
 #' @param hdpi Horizontal DPI. Can be set with options("openxlsx2.dpi" = X) or
@@ -597,46 +597,46 @@ wb_add_chartsheet <- function(
 #' wb$add_data(sheet = 8, 1:400)
 wb_add_worksheet <- function(
   wb,
-  sheet       = next_sheet(),
-  gridLines   = TRUE,
-  rowColHeaders = TRUE,
-  tabColor    = NULL,
-  zoom        = 100,
-  header      = NULL,
-  footer      = NULL,
-  oddHeader   = header,
-  oddFooter   = footer,
-  evenHeader  = header,
-  evenFooter  = footer,
-  firstHeader = header,
-  firstFooter = footer,
-  visible     = c("true", "false", "hidden", "visible", "veryhidden"),
-  hasDrawing  = FALSE,
-  paperSize   = getOption("openxlsx2.paperSize", default = 9),
-  orientation = getOption("openxlsx2.orientation", default = "portrait"),
-  hdpi        = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
-  vdpi        = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
+  sheet           = next_sheet(),
+  grid_lines      = TRUE,
+  row_col_headers = TRUE,
+  tab_color       = NULL,
+  zoom            = 100,
+  header          = NULL,
+  footer          = NULL,
+  odd_header      = header,
+  odd_footer      = footer,
+  even_header     = header,
+  even_footer     = footer,
+  first_header    = header,
+  first_footer    = footer,
+  visible         = c("true", "false", "hidden", "visible", "veryhidden"),
+  has_drawing     = FALSE,
+  paper_size      = getOption("openxlsx2.paperSize", default = 9),
+  orientation     = getOption("openxlsx2.orientation", default = "portrait"),
+  hdpi            = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
+  vdpi            = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
   ...
 ) {
   assert_workbook(wb)
   wb$clone()$add_worksheet(
-    sheet       = sheet,
-    gridLines   = gridLines,
-    rowColHeaders = rowColHeaders,
-    tabColor    = tabColor,
-    zoom        = zoom,
-    oddHeader   = headerFooterSub(oddHeader),
-    oddFooter   = headerFooterSub(oddFooter),
-    evenHeader  = headerFooterSub(evenHeader),
-    evenFooter  = headerFooterSub(evenFooter),
-    firstHeader = headerFooterSub(firstHeader),
-    firstFooter = headerFooterSub(firstFooter),
-    visible     = visible,
-    paperSize   = paperSize,
-    orientation = orientation,
-    vdpi        = vdpi,
-    hdpi        = hdpi,
-    ...         = ...
+    sheet           = sheet,
+    grid_lines      = grid_lines,
+    row_col_headers = row_col_headers,
+    tab_color       = tab_color,
+    zoom            = zoom,
+    odd_header      = headerFooterSub(odd_header),
+    odd_footer      = headerFooterSub(odd_footer),
+    even_header     = headerFooterSub(even_header),
+    even_footer     = headerFooterSub(even_footer),
+    first_header    = headerFooterSub(first_header),
+    first_footer    = headerFooterSub(first_footer),
+    visible         = visible,
+    paper_size      = paper_size,
+    orientation     = orientation,
+    vdpi            = vdpi,
+    hdpi            = hdpi,
+    ...             = ...
   )
 }
 
diff --git a/R/class-workbook.R b/R/class-workbook.R
index 94040020f..fd8d20897 100644
--- a/R/class-workbook.R
+++ b/R/class-workbook.R
@@ -492,48 +492,51 @@ wbWorkbook <- R6::R6Class(
     #' @description
     #' Add worksheet to the `wbWorkbook` object
     #' @param sheet sheet
-    #' @param gridLines gridLines
-    #' @param rowColHeaders rowColHeaders
-    #' @param tabColor tabColor
+    #' @param grid_lines gridLines
+    #' @param row_col_headers rowColHeaders
+    #' @param tab_color tabColor
     #' @param zoom zoom
     #' @param header header
     #' @param footer footer
-    #' @param oddHeader oddHeader
-    #' @param oddFooter oddFooter
-    #' @param evenHeader evenHeader
-    #' @param evenFooter evenFooter
-    #' @param firstHeader firstHeader
-    #' @param firstFooter firstFooter
+    #' @param odd_header oddHeader
+    #' @param odd_footer oddFooter
+    #' @param even_header evenHeader
+    #' @param even_footer evenFooter
+    #' @param first_header firstHeader
+    #' @param first_footer firstFooter
     #' @param visible visible
-    #' @param hasDrawing hasDrawing
-    #' @param paperSize paperSize
+    #' @param has_drawing hasDrawing
+    #' @param paper_size paperSize
     #' @param orientation orientation
     #' @param hdpi hdpi
     #' @param vdpi vdpi
     #' @param ... ...
     #' @return The `wbWorkbook` object, invisibly
     add_worksheet = function(
-      sheet       = next_sheet(),
-      gridLines   = TRUE,
-      rowColHeaders = TRUE,
-      tabColor    = NULL,
-      zoom        = 100,
-      header      = NULL,
-      footer      = NULL,
-      oddHeader   = header,
-      oddFooter   = footer,
-      evenHeader  = header,
-      evenFooter  = footer,
-      firstHeader = header,
-      firstFooter = footer,
-      visible     = c("true", "false", "hidden", "visible", "veryhidden"),
-      hasDrawing  = FALSE,
-      paperSize   = getOption("openxlsx2.paperSize", default = 9),
-      orientation = getOption("openxlsx2.orientation", default = "portrait"),
-      hdpi        = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
-      vdpi        = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
+      sheet           = next_sheet(),
+      grid_lines      = TRUE,
+      row_col_headers = TRUE,
+      tab_color       = NULL,
+      zoom            = 100,
+      header          = NULL,
+      footer          = NULL,
+      odd_header      = header,
+      odd_footer      = footer,
+      even_header     = header,
+      even_footer     = footer,
+      first_header    = header,
+      first_footer    = footer,
+      visible         = c("true", "false", "hidden", "visible", "veryhidden"),
+      has_drawing     = FALSE,
+      paper_size      = getOption("openxlsx2.paperSize", default = 9),
+      orientation     = getOption("openxlsx2.orientation", default = "portrait"),
+      hdpi            = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
+      vdpi            = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
       ...
     ) {
+
+      standardize(...)
+
       visible <- tolower(as.character(visible))
       visible <- match.arg(visible)
       orientation <- match.arg(orientation, c("portrait", "landscape"))
@@ -567,17 +570,16 @@ wbWorkbook <- R6::R6Class(
       sheet_name <- replace_legal_chars(sheet)
       private$validate_new_sheet(sheet_name)
 
-      if (!is.logical(gridLines) | length(gridLines) > 1) {
+      if (!is.logical(grid_lines) | length(grid_lines) > 1) {
         fail <- TRUE
-        msg <- c(msg, "gridLines must be a logical of length 1.")
+        msg <- c(msg, "grid_lines must be a logical of length 1.")
       }
 
-      standardize_color_names(...)
-      if (!is.null(tabColor)) {
-        if (is_wbColour(tabColor)) {
-          tabColor <- as.character(tabColor)
+      if (!is.null(tab_color)) {
+        if (is_wbColour(tab_color)) {
+          tabColor <- as.character(tab_color)
         } else {
-          tabColor <- validateColor(tabColor, "Invalid tabColor in add_worksheet.")
+          tabColor <- validateColor(tab_color, "Invalid tab_color in add_worksheet.")
         }
       }
 
@@ -594,32 +596,32 @@ wbWorkbook <- R6::R6Class(
       }
       #nocov end
 
-      if (!is.null(oddHeader) & length(oddHeader) != 3) {
+      if (!is.null(odd_header) & length(odd_header) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("header"))
       }
 
-      if (!is.null(oddFooter) & length(oddFooter) != 3) {
+      if (!is.null(odd_footer) & length(odd_footer) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("footer"))
       }
 
-      if (!is.null(evenHeader) & length(evenHeader) != 3) {
+      if (!is.null(even_header) & length(even_header) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("evenHeader"))
       }
 
-      if (!is.null(evenFooter) & length(evenFooter) != 3) {
+      if (!is.null(even_footer) & length(even_footer) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("evenFooter"))
       }
 
-      if (!is.null(firstHeader) & length(firstHeader) != 3) {
+      if (!is.null(first_header) & length(first_header) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("firstHeader"))
       }
 
-      if (!is.null(firstFooter) & length(firstFooter) != 3) {
+      if (!is.null(first_footer) & length(first_footer) != 3) {
         fail <- TRUE
         msg <- c(msg, lcr("firstFooter"))
       }
@@ -677,18 +679,18 @@ wbWorkbook <- R6::R6Class(
       ## append to worksheets list
       self$append("worksheets",
         wbWorksheet$new(
-          tabColor   = tabColor,
-          oddHeader   = oddHeader,
-          oddFooter   = oddFooter,
-          evenHeader  = evenHeader,
-          evenFooter  = evenFooter,
-          firstHeader = firstHeader,
-          firstFooter = firstFooter,
-          paperSize   = paperSize,
-          orientation = orientation,
-          hdpi        = hdpi,
-          vdpi        = vdpi,
-          printGridLines = gridLines
+          tabColor       = tab_color,
+          oddHeader      = odd_header,
+          oddFooter      = odd_footer,
+          evenHeader     = even_header,
+          evenFooter     = even_footer,
+          firstHeader    = first_header,
+          firstFooter    = first_footer,
+          paperSize      = paper_size,
+          orientation    = orientation,
+          hdpi           = hdpi,
+          vdpi           = vdpi,
+          printGridLines = grid_lines
         )
       )
 
@@ -699,8 +701,8 @@ wbWorkbook <- R6::R6Class(
       self$worksheets[[newSheetIndex]]$set_sheetview(
         workbookViewId    = 0,
         zoomScale         = zoom,
-        showGridLines     = gridLines,
-        showRowColHeaders = rowColHeaders,
+        showGridLines     = grid_lines,
+        showRowColHeaders = row_col_headers,
         tabSelected       = newSheetIndex == 1,
         rightToLeft       = rightToLeft
       )
@@ -708,7 +710,7 @@ wbWorkbook <- R6::R6Class(
 
       ## update content_tyes
       ## add a drawing.xml for the worksheet
-      if (hasDrawing) {
+      if (has_drawing) {
         self$append("Content_Types", c(
           sprintf('<Override PartName="/xl/worksheets/sheet%s.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>', newSheetIndex),
           sprintf('<Override PartName="/xl/drawings/drawing%s.xml" ContentType="application/vnd.openxmlformats-officedocument.drawing+xml"/>', newSheetIndex)
diff --git a/R/class-worksheet.R b/R/class-worksheet.R
index 71b35c4ae..182868e58 100644
--- a/R/class-worksheet.R
+++ b/R/class-worksheet.R
@@ -140,18 +140,18 @@ wbWorksheet <- R6::R6Class(
 
     #' @description
     #' Creates a new `wbWorksheet` object
-    #' @param tabColor tabColor
-    #' @param oddHeader oddHeader
-    #' @param oddFooter oddFooter
-    #' @param evenHeader evenHeader
-    #' @param evenFooter evenFooter
-    #' @param firstHeader firstHeader
-    #' @param firstFooter firstFooter
-    #' @param paperSize paperSize
+    #' @param tab_color tabColor
+    #' @param odd_header oddHeader
+    #' @param odd_footer oddFooter
+    #' @param even_header evenHeader
+    #' @param even_footer evenFooter
+    #' @param first_header firstHeader
+    #' @param first_footer firstFooter
+    #' @param paper_size paperSize
     #' @param orientation orientation
     #' @param hdpi hdpi
     #' @param vdpi vdpi
-    #' @param printGridLines printGridLines
+    #' @param print_grid_lines printGridLines
     #' @return a `wbWorksheet` object
     initialize = function(
       tabColor   = NULL,
diff --git a/man/wbWorkbook.Rd b/man/wbWorkbook.Rd
index 7dc307f9e..a3745c4c3 100644
--- a/man/wbWorkbook.Rd
+++ b/man/wbWorkbook.Rd
@@ -472,21 +472,21 @@ Add worksheet to the \code{wbWorkbook} object
 \subsection{Usage}{
 \if{html}{\out{<div class="r">}}\preformatted{wbWorkbook$add_worksheet(
   sheet = next_sheet(),
-  gridLines = TRUE,
-  rowColHeaders = TRUE,
-  tabColor = NULL,
+  grid_lines = TRUE,
+  row_col_headers = TRUE,
+  tab_color = NULL,
   zoom = 100,
   header = NULL,
   footer = NULL,
-  oddHeader = header,
-  oddFooter = footer,
-  evenHeader = header,
-  evenFooter = footer,
-  firstHeader = header,
-  firstFooter = footer,
+  odd_header = header,
+  odd_footer = footer,
+  even_header = header,
+  even_footer = footer,
+  first_header = header,
+  first_footer = footer,
   visible = c("true", "false", "hidden", "visible", "veryhidden"),
-  hasDrawing = FALSE,
-  paperSize = getOption("openxlsx2.paperSize", default = 9),
+  has_drawing = FALSE,
+  paper_size = getOption("openxlsx2.paperSize", default = 9),
   orientation = getOption("openxlsx2.orientation", default = "portrait"),
   hdpi = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
   vdpi = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
@@ -499,11 +499,11 @@ Add worksheet to the \code{wbWorkbook} object
 \describe{
 \item{\code{sheet}}{sheet}
 
-\item{\code{gridLines}}{gridLines}
+\item{\code{grid_lines}}{gridLines}
 
-\item{\code{rowColHeaders}}{rowColHeaders}
+\item{\code{row_col_headers}}{rowColHeaders}
 
-\item{\code{tabColor}}{tabColor}
+\item{\code{tab_color}}{tabColor}
 
 \item{\code{zoom}}{zoom}
 
@@ -511,23 +511,23 @@ Add worksheet to the \code{wbWorkbook} object
 
 \item{\code{footer}}{footer}
 
-\item{\code{oddHeader}}{oddHeader}
+\item{\code{odd_header}}{oddHeader}
 
-\item{\code{oddFooter}}{oddFooter}
+\item{\code{odd_footer}}{oddFooter}
 
-\item{\code{evenHeader}}{evenHeader}
+\item{\code{even_header}}{evenHeader}
 
-\item{\code{evenFooter}}{evenFooter}
+\item{\code{even_footer}}{evenFooter}
 
-\item{\code{firstHeader}}{firstHeader}
+\item{\code{first_header}}{firstHeader}
 
-\item{\code{firstFooter}}{firstFooter}
+\item{\code{first_footer}}{firstFooter}
 
 \item{\code{visible}}{visible}
 
-\item{\code{hasDrawing}}{hasDrawing}
+\item{\code{has_drawing}}{hasDrawing}
 
-\item{\code{paperSize}}{paperSize}
+\item{\code{paper_size}}{paperSize}
 
 \item{\code{orientation}}{orientation}
 
diff --git a/man/wbWorksheet.Rd b/man/wbWorksheet.Rd
index 74914bced..b37932885 100644
--- a/man/wbWorksheet.Rd
+++ b/man/wbWorksheet.Rd
@@ -148,29 +148,29 @@ Creates a new \code{wbWorksheet} object
 \subsection{Arguments}{
 \if{html}{\out{<div class="arguments">}}
 \describe{
-\item{\code{tabColor}}{tabColor}
+\item{\code{orientation}}{orientation}
 
-\item{\code{oddHeader}}{oddHeader}
+\item{\code{hdpi}}{hdpi}
 
-\item{\code{oddFooter}}{oddFooter}
+\item{\code{vdpi}}{vdpi}
 
-\item{\code{evenHeader}}{evenHeader}
+\item{\code{tab_color}}{tabColor}
 
-\item{\code{evenFooter}}{evenFooter}
+\item{\code{odd_header}}{oddHeader}
 
-\item{\code{firstHeader}}{firstHeader}
+\item{\code{odd_footer}}{oddFooter}
 
-\item{\code{firstFooter}}{firstFooter}
+\item{\code{even_header}}{evenHeader}
 
-\item{\code{paperSize}}{paperSize}
+\item{\code{even_footer}}{evenFooter}
 
-\item{\code{orientation}}{orientation}
+\item{\code{first_header}}{firstHeader}
 
-\item{\code{hdpi}}{hdpi}
+\item{\code{first_footer}}{firstFooter}
 
-\item{\code{vdpi}}{vdpi}
+\item{\code{paper_size}}{paperSize}
 
-\item{\code{printGridLines}}{printGridLines}
+\item{\code{print_grid_lines}}{printGridLines}
 }
 \if{html}{\out{</div>}}
 }
diff --git a/man/wb_add_worksheet.Rd b/man/wb_add_worksheet.Rd
index 48d5551de..b7a4c6e65 100644
--- a/man/wb_add_worksheet.Rd
+++ b/man/wb_add_worksheet.Rd
@@ -7,21 +7,21 @@
 wb_add_worksheet(
   wb,
   sheet = next_sheet(),
-  gridLines = TRUE,
-  rowColHeaders = TRUE,
-  tabColor = NULL,
+  grid_lines = TRUE,
+  row_col_headers = TRUE,
+  tab_color = NULL,
   zoom = 100,
   header = NULL,
   footer = NULL,
-  oddHeader = header,
-  oddFooter = footer,
-  evenHeader = header,
-  evenFooter = footer,
-  firstHeader = header,
-  firstFooter = footer,
+  odd_header = header,
+  odd_footer = footer,
+  even_header = header,
+  even_footer = footer,
+  first_header = header,
+  first_footer = footer,
   visible = c("true", "false", "hidden", "visible", "veryhidden"),
-  hasDrawing = FALSE,
-  paperSize = getOption("openxlsx2.paperSize", default = 9),
+  has_drawing = FALSE,
+  paper_size = getOption("openxlsx2.paperSize", default = 9),
   orientation = getOption("openxlsx2.orientation", default = "portrait"),
   hdpi = getOption("openxlsx2.hdpi", default = getOption("openxlsx2.dpi", default = 300)),
   vdpi = getOption("openxlsx2.vdpi", default = getOption("openxlsx2.dpi", default = 300)),
@@ -33,28 +33,28 @@ wb_add_worksheet(
 
 \item{sheet}{A name for the new worksheet}
 
-\item{gridLines}{A logical. If \code{FALSE}, the worksheet grid lines will be
+\item{grid_lines}{A logical. If \code{FALSE}, the worksheet grid lines will be
 hidden.}
 
-\item{rowColHeaders}{A logical. If \code{FALSE}, the worksheet colname and rowname will be
+\item{row_col_headers}{A logical. If \code{FALSE}, the worksheet colname and rowname will be
 hidden.}
 
-\item{tabColor}{Color of the worksheet tab. A valid color (belonging to
+\item{tab_color}{Color of the worksheet tab. A valid color (belonging to
 colors()) or a valid hex color beginning with "#"}
 
 \item{zoom}{A numeric between 10 and 400. Worksheet zoom level as a
 percentage.}
 
-\item{header, oddHeader, evenHeader, firstHeader, footer, oddFooter, evenFooter, firstFooter}{Character vector of length 3 corresponding to positions left, center,
+\item{header, odd_header, even_header, first_header, footer, odd_footer, even_footer, first_footer}{Character vector of length 3 corresponding to positions left, center,
 right.  \code{header} and \code{footer} are used to default additional arguments.
 Setting \code{even}, \code{odd}, or \code{first}, overrides \code{header}/\code{footer}. Use \code{NA} to
 skip a position.}
 
 \item{visible}{If FALSE, sheet is hidden else visible.}
 
-\item{hasDrawing}{If TRUE prepare a drawing output (TODO does this work?)}
+\item{has_drawing}{If TRUE prepare a drawing output (TODO does this work?)}
 
-\item{paperSize}{An integer corresponding to a paper size. See ?ws_page_setup for
+\item{paper_size}{An integer corresponding to a paper size. See ?ws_page_setup for
 details.}
 
 \item{orientation}{One of "portrait" or "landscape"}