Why is The Joker insane?
How did the Joker become insane?
Why did The Joker become a villain? Who is the Joker? Did Jared Leto's Joker in Suicide Squad have a sense of humour? Does the Joker really have a weakness? What did you think of the Joker in Suicide Squad? Did Batman ever kill the Joker? Could I become the Joker? How can people not recognize the jokers from Impractical Jokers? Did his role as the Joker drive Heath Ledger to his death? Is the Joker in the Suicide Squad comics? What happened to the joker at the end of the dark knight? What happened to The Joker after The end of The Dark Knight? What is the Joker's real name? Is it possible to be like the Joker in real life? Is Batman the Joker? What are the 10 worst things The Joker has ever done to Batman? Why does not the Joker ever die? What was the life of Joker before he met Batman? What happened to the Joker after Batman arrested Harley Quinn in Suicide Squad? Who is the best Joker? How can Joker beat Superman? What if the Joker (Heath Ledger) were in Bollywood? Who are the Impractical Jokers? How is Jared Leto's performance as The Joker? How did Heath Ledger prepare for his role as Joker in Dark Knight? What is your review of Impractical Jokers (TV series)? Is impractical jokers scripted? Why did Joker give Harley away as a gift in Suicide Squad? Is the Joker the best villain in any movie/TV series? Why doesn't Batman cripple the Joker enough for him not to be able to do anything since he can't kill him?