Real Name: Unknown
Former Aliases: N/A
First Appearance: Savage Dragon #147
Group Affiliations: The Vicious Circle
Height: Around 6′
Date of Birth: Unknown
Place of Birth: Unknown
Base of Operations: Chicago, Illinois
Other Distinguishing Features: Tumor has red cancerous growths all over his body
Marital Status: Unknown
Known Relatives: N/A
Powers: Superhuman strength
Tumor was one of the freaks that were brought into the Vicious Circle during Buster Justice’s reign over the group. He was present alongside the Blue Flame and the man who would become Virus when Dragon raided a Bellco Chemicals plant in search of his abducted children.
Tumor is one of the many super-freaks who brutally beat Dragon while he is in prison.