J. Crane (Earth-38)

J. Crane is a doctor.

Biography
At some point at time, Lex Luthor became aware of Crane. In one of his journal's, Lex wrote several possible methods to defeat Superman, one of which involved a crippling drug overdose, listing Crane's name in relation to it.

Behind the scenes

 * In the main DC comics continuity, Jonathan Crane is a criminal in Gotham City who takes pride in spreading fear using his specially-designed fear toxin, and is an adversary of Batman named "Scarecrow".