Aldwin Callahan has appeared in 12 comics since 2005. The most recent cataloged appearance dates to 2013. Most cataloged appearances come from Billy the Kid's Old-Timey Oddities.
Dark Horse Comics
4 issues
Limited Series
Billy The Kid’s Old Timey Oddities And The Orm Of Loch Ness (2012)
Jan 16, 2013
Dec 12, 2012
Nov 14, 2012
Oct 17, 2012
Billy the Kid's Old Timey Oddities and the Ghastly Fiend of London (2010)
Jan 05, 2011
Nov 24, 2010
Oct 27, 2010
Sep 09, 2010
Billy the Kid's Old-Timey Oddities (2005)
Jul 01, 2005
Jun 01, 2005
Henry McCarty
Joseph Carey Merrick
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