Mentalist

Mentalist is one of Ben’s new aliens in Ben 10: Recalibration. He is a Psikikian from the planet Psikikia. He looks like a grey humanoid in a form-fitting black suit, with a large brain (at least twice the size of his actual head) bursting from the top of his forehead.

Powers

 * Is very intelligent.
 * Can use telepathy
 * Can use telekinesis (either to move other objects for use as weapons or to levitate himself)

Weaknesses

 * Is relatively weak
 * His brain is very delicate.