Real Name: Jonathan Crane
Occupation: Criminal, ex-professor
Base of Operations: Gotham City
Known Relatives: None
Height: 6' 0"
Weight: 140 lbs.
Eyes: Blue
Hair: Black
First Appearance: World's Fines Comics#3 (1940)

Dr. Jonathan Crane was a professor of Psychology at Gotham University, specializing in the psychology of fear. As he grew up he was bullied due to his bookishness and his gangly figure, he became Scarecrow to get even with the bullies at school. After his dismissal from Gotham U. he killed those people responsible for his dismissal.