Harley Quinn

  Dr.Harleen Quinzel was the docter for the Joker in Arkham Asylym which is where the problem started.The Joker lied about himself to sound sempethetic feeling bad for him she slowly fell inlove with the Clown Prince of Crime.Not only did she breack him out but also took a costume identity of a harley quinn jester calling herself Harley Quinn which was a play on words on her own name.Whith acrobatic skills she fights along side her"Mr.J".

The Joker

    The Joker is the best maniac Batman has ever faced.Not only is he the most dangerous but also one of the oldest and most mysterious always with a different back story.He even states himself that"It's a little hazy but if  I had to have a past I prefer it to be multiple choice".But there has been a story called The Killing Joke explaining how the Joker came to be.In today's comics the Joker has cut off his face and strapped it on to prove a point to Batman.You all probably know him in Death in the Family as the killer of Jason Todd a.k.a Robin but in Death of the Family he is after the Bat Family but not a physical death but a emotional death by telling them he had all there little secrets.Mark Hammill is the most famous voice actor for the Joker.