The Greatest Heroes
DC Comics
FIRESTORM writer/artist 2012–2013
SUPERMAN writer/artist 2012
JUSTICE LEAGUE INTERNATIONAL writer 2011–2012
GREEN ARROW artist 2011
BOOSTER GOLD creator/writer/artist 2011
TIME MASTERS: VANISHING POINT writer/artist 2010
DC UNIVERSE: LEGACIES artist 2010
THE BRAVE AND BOLD #23 writer/artist 2009
BOOSTER GOLD creator/writer/artist 2007–2010
TANGENT: SUPERMAN’S REIGN writer 2008
COUNTDOWN: History of the Multiverse writer/artist 2007
METAMORPHO YEAR ONE writer 2007
52: History of the DC Universe writer/artist 2006
NIGHTWING artist 2006
INFINITE CRISIS: SECRET FILES artist 2006
SUPERMAN: DAY OF DOOM writer/artist 2003
AQUAMAN writer 2000–2001
TITANS/LEGION OF SUPER-HEROES: UNIVERSE ABLAZE writer/artist 2000
BATMAN: NO MAN'S LAND artist 1999
SUPERMAN/FANTASTIC FOUR writer/artist 1999
SUPERMAN: SECRET FILES writer/artist 1998
TANGENT COMICS volume II creator/consultant/writer/artist 1998
SUPERMAN: THE DOOMSDAY WARS writer/artist 1998
TANGENT COMICS creator/consultant/writer/artist 1997
SUPERMAN ANNUAL writer 1997
DC VERSUS MARVEL artist 1996
TEEN TITANS writer/artist 1996–1998
SUPERMAN/DOOMSDAY: HUNTER/PREY writer/artist 1994
ZERO HOUR: CRISIS IN TIME writer/artist 1994
SUPERMAN ANNUAL writer 1993
JUSTICE LEAGUE OF AMERICA writer/artist 1992–1993
METAL MEN artist 1993
AGENT LIBERTY SPECIAL creator/writer/cover artist 1992
SUPERMAN writer/artist 1991–1995 writer 1995–1999
SUPERMAN ANNUAL writer 1991
ARMAGEDDON 2001 artist 1991
DETECTIVE COMICS BATMAN ANNUAL writer 1990
ADVENTURES OF SUPERMAN ANNUAL writer 1990
FLASH GORDON writer/artist 1989
GREEN ARROW artist 1988–1990
ADVENTURES OF SUPERMAN writer and/or artist 1987–1991
ADVENTURES OF SUPERMAN ANNUAL artist 1987
BOOSTER GOLD volume one creator/writer/artist 1985–1987
BATMAN ANNUAL artist 1985
TALES OF THE LEGION OF SUPER-HEROES artist 1985
SUN DEVILS co-creator/writer/artist 1984–1985
THE WARLORD artist 1982–1984
DK PUBLISHING
YOU CAN DRAW MARVEL CHARACTERS author/illustrator 2006
MARVEL COMICS
SUPREME POWER: HYPERION artist 2005-2006
THE NEW AVENGERS GUEST STARRING THE FANTASTIC FOUR artist 2005
FANTASTIC FOUR MOVIE ADAPTATION artist 2005
COMBAT ZONE: TRUE TALES OF G.I.S IN IRAQ Graphic Novel artist 2005
CAPTAIN AMERICA writer 1999–2000 writer/artist 2000-2002
THE MIGHTY THOR writer 1998–2004
THE SENSATIONAL SPIDER-MAN writer/artist 1996
TOP COW/IMAGE COMICS
TOMB RAIDER: THE GREATEST TREASURE OF ALL writer 2005
COMMON GROUNDS artist 2003
RISING STARS: BRIGHT artist 2003
TOMB RAIDER: THE SERIES writer 1999–2002
DARK HORSE COMICS
SUPERMAN/ALIENS writer/artist 1995
ACCLAIM COMICS
SOLAR writer/artist 1995