Long ago, much of Franken Stein's own violent tendencies and initial selfish disposition surfaced in his childhood, having been analyzed and examined by various doctors to determine the cause of his personality. Although they speculated that he must of suffered some traumatic event, the doctors couldn't conclude deduce the reason and Franken Stein himself only saw their attempt as inane. At one point during Kindergarten, Stein would watch kids his age play together like the teacher told them, an act which sickened him. He also made an issue out of the children focussing on taking notes and listening to instructions; this made him feel as if he would lose control.