Principal Steinbeck is a supporting antagonist in the SML series. He is the cruel, ruthless, intimidating and somewhat insane principal of Y U DUMB? Elementary School and one of Junior's main arch-enemies and adversaries and arguably his biggest one. He loves it when the students get into trouble, so he can punish them. It is unknown why Principal Steinbeck is evil and how he became that way. He is shown to be very abusive, harsh, and mean towards the students indicating that he absolutely hates