Riggs at the 2013 New York Comic Con.
Riggs' first professional comics work was as a result of winning the "Marvel Try-out Book" in the 1980s for lettering; prior to that, he had already been working as a graphic artist for several years.
Riggs is married to Elayne Riggs, who has appeared with her husband at conventions.
- Captain Planet and the Planeteers #6 (inks, with author Pat Kelleher and pencils by Dave Taylor, Marvel Comics, 1992)
- Death's Head II #5, 14 (Marvel UK, 1993, 1994)
- Super Soldiers #8 (Marvel UK, 1993)
- Cyberspace 3000 #6 (Marvel UK, 1993)
- Death Wreck #1 (Marvel UK, 1994)
- X-Men Unlimited #5-7 (Marvel Comics, 1994)
- The Incredible Hulk #425-432, 436-446 (Marvel Comics, 1995–1996)
- Suicide Squad: Raise the Flag (DC Comics, 2007–2008)
- Tangent: Superman's Reign #2-5 (DC Comics, 2008)
- David, Peter (October 13, 2000). "2000 Canadian National Comic Book Expo". "But I Digress...", Comic Buyer's Guide #1404. Archived at peterdavid.net. May 16, 2014.
- Phegley, Kiel (July 28, 2008). "CCI: Peter David On 'Sir Apropos' Comics". Comic Book Resources.
- David, Peter (May 19, 2000). "Getting by with a little help from his friends…". Comics Buyer's Guide #1383. Archived at peterdavid.net. March 7, 2000.
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