- "Third World War: A Symphony of Splintered Wood", Crisis #22-23, co-written by Pat Mills, art by Sean Phillips, 1989
- "The Geek", Crisis #22, art by Jim McCarthy, 1989
- "Wyrmwood", Toxic! #24, art by John McCrea, 1991
- Holy Cross, 3 issue series, art by Davy Francis, Chris Hogg and P. J. Holden, Fantagraphics Books, 1993–1995
- The Good Father, self-published, 1993
- Major Power and Spunky, art by Sean Doran, self-published, 1992
- "Major Power and Spunky", Gay Comics #20, art by Sean Doran, 1993
- Major Power and Spunky, art by Sean Doran, Fantagraphics/Eros, 1994
- "Major Power and Spunky", Buddies #4-5, art by Sean Doran, 1995
- The Moon Looked Down and Laughed, graphic novel, art by P. J. Holden, Fantagraphics Books, 1997
- The Dandy Lion, art by P. J. Holden, Fantagraphics/Eros, 1997
- The Simply Incredible Hunk, art by P. J. Holden, self-published by Holden, 1997
- "Keltor", DNA Swamp #1-3, art by Christian Kotey, 1997
- "Life Dreams of a Homo Pacedermus", DNA Swamp #1, art by Sean Doran, 1997
- "Wake Up", Gay Comics #25, art by Sean Doran, 1998
- The Darkness #11-22 (#11-14 co-written by Garth Ennis), art by Joe Benitez and others, Top Cow/Image, 1998–1999
- Spririt of the Tao #1-5, co-written by D-Tron and Billy Tan, art by Billy Tan, Top Cow/Image, 1998
- Tales of the Darkness #1-4, 1/2 (#1-2 co-written by Brian Haberlin), drawn by various artists, Top Cow/Image, 1998–1999
- Vampirella Monthly #10-11 (#11 co-written by Steven Grant), art by Louis Small Jnr., Harris Comics, 1998
- "Ouija Board, Ouija Board", Fortnight, 2003–2005
- Good Craic Comics #1, Self-Published/Arts Council NI, 2003
- The Colour of Love, painted art by Sean Hamilton, Tales of the..., 2010
(Thanks to Wikipedia for formatting the list with handy links.)
