Cater Diamond

Cater Diamond is a third-year student in Heartslabyul. He's very perceptive with great communication skills as well as popular, stylish, and a gourmet. However, he can sometimes be cruel. Cater has two older sisters who, according to him, boss him around. Cater is obsessed with the students of Pomefiore, mainly Epel and Vil because of their beauty. According to Cater, in his scary outfit story, his father was a banker and the bank he worked at was branched all over the world and because of that whenever his dad has to move to a different bank his whole family moves with him. they move to a different country once every 2 years.

Cater's unique magic is called "Split Card." He is able to split himself into clones that each act independently. It gets harder on Cater with the more clones he makes.

(Source: Twisted Wonderland Wiki)