[2] Alan Kupperberg entered the comics industry by working at Neal Adams' Continuity Associates[3] and was a member of the Crusty Bunkers.

[7] Occasionally working as a writer, Kupperberg created the 1983 one-shot comic Obnoxio the Clown vs. the X-Men, and handled everything from writing and illustrating to lettering.

[5] For Marvel Custom Comics, he provided art for clients such as Campbell Soup Company, the U.S. Department of Energy, the Sylvan Learning Center, and The Dallas Times Herald.

[5][12] Kupperberg drew illustrations for Archie Comics,[5] National Lampoon, Cracked magazine, Spy, and McClannahan Books.

[2] Kupperberg worked on script development and character design for Sullivan Bluth Studios' 1994 animated feature Thumbelina.