For one reason or another you're in Gotham City, you were walking around the city when you hear a loud explosion and you see a clown with wild green hair laughing maniacally while moving around like a wild man. This is Joker, a homicidal permaclown who constantly messes with Gotham City. Goodbye Arkham! Hello Gotham! Joker shouted out while on a clown-themed hot air balloon with his two henchmen, Punch and Judy.