Professor Milo is an evil scientist and enemy to Batman in Gotham City. His area of expertise is chemistry, and he uses this talent to develop bio-weapons or mind-altering drugs. He has been a staff member at Arkham Asylum. Later on, he began working with General Immortus and became excellent at body modifications. This new skill allows him to give people artificial super-powers, or enhance their existing abilities. Professor Milo was created by Bill Finger and Sheldon Moldoff, first appearing in Detective Comics #247. (1957)

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