Name: Jonathan Crane
First appearance: World's Finest Comics #3 (Fall 1941)
The Scarecrow (Professor Jonathan Crane), an insane psychologist/biochemist, specializes in the nature of fear. Dressed symbolically as a scarecrow, he employs special weapons, equipment, and techniques designed to use fear to his advantage in his crimes. His "fear-gas" stimulates the phobias of his victims. Ironically he has a fear of bats."