Jack Napier
insane, violent, and extremely dangerous. The Joker will stop at nothing to terrorize the citizens of Gotham. His dark past has made him into a twisted murderer, and his intelligence unfortunately allows him to be very good at what he does.
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.
He is a supervillain
Sci-Fi
dangerous
violent
intelligent
twisted
supervillain
