A lot of Batman villains have advanced degrees:
-Harley Quinn/Psychology
-Scarecrow/Criminology
-Poison Ivy/Botany
-Mr. Freeze/Cryogenics
-Man-Bat/Zoology
-Hugo Strange/Psychiatry
-Hush/Plastic Surgery
-Mad Hatter/Neuroscience
Grad school changes you. ME, WITH MY MASTERS DEGREE