THAT

About
That when it was alive it was the spirit of a great criminal that he was acting like a clown for making the others believe that he is not very dangerous.

O.S. THAT
Attacks
 * Shaman: Green Garam
 * O.S. Type: Spirit Type
 * Spirit Ally: THAT
 * Medium Used: playing Cards and Staff
 * Card Trick: THAT creates an invisible wall of cards that surrounds the user. This is only used in the anime. This is first used against Lyserg in order to trick him into attacking them so they can seal her inside her cage.
 * Card Throw: THAT throws playing cards at it's oppenent like shurikens. This was only used in the anime. First used against Tao Ren.

Anime/Manga Difference
In the anime, THAT is called Devil Clown and its appearance is a bit different. Green Garam used this to attack Lyserg.

Trivia

 * The name "THAT" is probably a reference to Stephen King's novel "it" , a book about a supernatural, murderous clown.