Dr. Jonathan Crane, once an expert in phobias, was dismissed from academia for unethical experiments and embraced his obsession fully. His signature fear toxin induces vivid, paralyzing hallucinations that break victims psychologically before he ever touches them.

First Appearance:  World's Finest #3 (1941)
Creators:  Bill Finger,  Bob Kane
Powers:  Chemistry,  Genius Level Intellect,  Toxic Immunity