The Joker

The Joker is one of the most dangerous supervillains in Gotham City. He dresses like a clown and pulls tricks and assassinations that are deadly and clever. He is the archenemy of Batman, although he plays a minor role in Teen Titans Go!.

Character History
The Joker was once a standard criminal who was foiled by Batman whilst in a chemical factory. During the struggle he fell into a vat of chemicals. This accident bleached his face white, dyed his hair green, turned his lips blood red, and gave him a permanent smile, transforming him into the Joker. His disfigurement also made him lose his sanity, and he would go on to become one of Gotham City's most feared supervillains.

Bio
The Joker only makes minor appearances in Teen Titans Go!, first in Real Boy Adventures, cheering on Cyborg. He never has a speaking part, also assuming minor cameo shots in a few episodes.

Characteristics
The Joker usually dresses in purple, custom made clothes. He has a light green undershirt and a flower, which shoots acid. He has white skin, a pointy nose, and green hair. His overall appearance is based on a clown, just like his names implies.

Season 1

 * Tower Power (cameo on screen)
 * Sidekick (mentioned, cameo)

Season 2

 * Serious Business (Beast Boy dressed up)
 * Real Boy Adventures (debut, cameo)
 * Cool School (cameo on truck)
 * Yearbook Madness (referenced in yearbook)
 * Beast Man (cameo)