Chemo (DC Comics)

Chemo is a supervillain appearing in comic books published by DC Comics. Debuting in the Silver Age of Comic Books, the character has appeared in both comic books and other DC Comics-related products such as animated television series and trading cards.

Fictional character biography
Chemo was originally the nickname given to a plastic vessel used by scientist Ramsey Norton to contain the chemical by-products from his failed experiments. When Norton places the remnants of a failed growth formula in the vessel as his latest contribution, it accidentally brings the man-shaped vessel to life as "Chemo".