Principal Steinbeck

Principal Steinbeck is the cruel and somewhat insane principal at Bowser Jr's school and the main antagonist of Bowser Jr's summer school series. He has an evil and mean spirited personality and loves it when Jr. gets in trouble so he can punish him. He hates everyone at his school especially Bowser Jr. In Bowser Jr's Summer School 7, he was hit by Jr because the fly was near him, and he was so angry that he almost expelled Junior but was defended by Jackie Chu stating that the fly was a task in order to pass the class. He said that Junior got lucky this time,and said that they would meet again. Steinbeck is played by Lovell

Appearances
 * Bowser Junior's Homework
 * Bowser Junior's Summer School​
 * Bowser Junior's Summer School 5
 * Bowser Junior's Summer School 7

Mentioned

 * Bowser Junior's Summer School 6
 * Bowser Junior's Summer Vacation

Quotes

 * "You got that, failures?! Stein!!beck!!!"
 * "Get out of my classroom, RIGHT NOW!!!!!!"
 * "Welcome to summer school, you bunch of failures!"
 * "AAAAAAHHHHHHH!!!!!!!!!!"
 *  BATHROOM INSPECTION 
 * "YOU! YOU ARE EXPELLED!!!!"
 * "I don't give a damn about a fly!!"