Scarecrow

"He calls himself "Scarecrow." Psychologist turned psychopath. He preys on the innocent and instill them with fear. When I chose to wear my... costume, it was to prey upon the criminals, and instill them with fear. The irony is not lost on me." - Batman describing Scarecrow

"Though it is simple to bring on, you cannot escape from fear. For fear is not a delusion. You are a sentient mortal condemned to die, and time is against you." - Scarecrow

Professor Jonathan Crane is ...

Scarecrow is ...