Sh5 ''Joker"' character

The Joker is a fictional supervillain.
Comic book appearances, the Joker is portrayed as a criminal mastermind.
The Joker possesses no superhuman abilities, instead using his expertise in chemical engineering to develop poisonous or lethal concoctions, and thematic weaponry, including razor-tipped playing cards, deadly joy buzzers, and acid-spraying lapel flowers.