Heath Ledger's frightening realistic portrayal of The Batman's nemesis The Joker is the best performance of his short life and career. Ledger's The Joker made the reputations of circus clowns even more disturbing.

But it was his performance that made the movie memorable and there is no doubt in my mind that The Joker will be the biggest hit in this year's Halloween parties.

Everyone at Halloween parties are closet critiques and we all judge how realistic a costume really is especially if someone is wearing the same costume. And you know this year at least 5% to 10% of a large Halloween crowd will be The Joker.

Check out Costume Discounters for more "The Joker Costumes". Currently the hardest to get costume is the Joker Grand Heritage costume. You can sign up for email notification when it finally arrives.

There are so many The Joker costumes varieties but not enough to go around. Suppliers were caught off guard by the popularity so there was a big rush to pick up as many of the costumes as they could. But they could never keep up with demand.

Check out some of the most popular The Joker costumes below.

Now I really don't know what kind of parent would get their kid The Joker costume, I just know that there will be kids getting it regardless. Well if you want your kids to look like a homicidal manic, they can do so this Halloween.

This is probably one of the most disturbing Joker mask. Which means that it'll be one of the most popular one as well.