Joker n. : One who makes jokes or jests.

Joker n. : See Rest bower, under 2d Bower.

Example:
What songs would synchronize well with a Joker tribute video?

Taxonomy
the Joker, Batman, Joker, character, villains, comics, appearance, escapes, murder, crimes, DC Comics, death, episode, comic book character, Harley Quinn, Batman Beyond: Return of the Joker, criminal, Red Hood.

Defination from the web:
Biography of the criminal mastermind.