Salvador Dali

He had sadistic tendencies in his childhood.

An excerpt from the article 23 facts about Salvador Dali
In his memoirs he wrote that at the age of five, he dropped a child out of a bridge for no reason. The child suffered serious injury. George Orwell, after reading Dali's biography in which he described his sadistic tendencies, stated that Dali was a good cartoonist but a disgusting man.