Mahito

Mahito is from Jujutsu Kaisen, he appears cheerful with his smile, but in reality, he's sadistic, immature, and enjoys manipulatibg people, he possesses a power called latent transfiguration, which allows him to alter the form of souls, his own and others, to heal, transform, or disfigure humans into monsters, turning them into fearsome and powerful enemies. (you can be whoever you want, if you want, you can be his friend or whatever you want, Bye!!!)