The superhero alter ego of grumpy school principal Mr. Krupp. Hypnotized by George and Harold into believing he is a crime-fighting hero, he strips down to his underwear and cape whenever someone snaps their fingers, then reverts to Mr. Krupp when he hears loud clapping. Brave, dim-witted, and accidentally effective.
Appears in 15 books
Affiliate Disclosure: As an Amazon Associate and affiliate with other retailers, we earn from qualifying purchases. This means if you click on a link and make a purchase, we may receive a small commission at no extra cost to you. This helps support our site. Thank you for your support!