Reginald "Reggie" Bullnerd is a school bully who hates Rudy. He gets stuck in a lot of things and his name appeared in an unaired episode Teacher's lounge. He gets into trouble all of the time and even has a school record for it. Rudy also drew an ugly chalk version of Reggie just to mock him in episode 1 but Reggie erased it and sent it to Chalkzone where it was even more dangerous than the real Reggie. It also has a habit of chasing Rudy, Penny and Snap. It makes cameo appearances in a few episodes. Reggie has a square head with 2 buck teeth and wears brown clothes. In chalk version, he is the color brown with 2 horns on his head EyeGlasses, no eyeballs and sharp teeth mad.