Aristotle Rodor

Doctor Aristotle "Tot" Rodor is a character in DC Comics. He is a scientist and former school professor who lives in Hub City. His colleague was the villain Arby Twain. He invented the pseudoderm mask and the gas for sealing it used by the various "Question" heroes: Charles Szasz and Renee Montoya. He mentors both of these heroes. He also knows Richard Dragon.

He debuted in Blue Beetle Volume 2 Issue #1 in 1967, and later re-introduced in February 1987 in the first issue of The Question.

His formula was stolen by John Dandy ("Yankee Doodle") and used by him.