Even more of the silliest and most ridiculous knock-knock jokes EVER! Knock knock. Who's there? Marietta. Marietta who? Marietta whole cake. Knock knock. Who's there? Wilma. Wilma who? Wilma lunch be ready soon? Knock knock. Who's there? Stan. Stan who? Stan back, I'm breaking the door down. Knock knock. Who's there? Apollo. Apollo who? Apollogize for all these jokes, they're terrible. An sooooo... many more!