Rudsworth Bartholomew “Rudy” Clark Tabootie is the main character. He is in the fifth grade. He travels to Chalkzone with his best friends Penny and Snap. He has a magic piece of chalk that he can use to draw portals into ChalkZone and draw things out of thin air. It has been suggested throughout the series that he has a crush on Penny.
When Rudy was eight, he discovered a magic piece of chalk that allowed him to enter an amazing world called "ChalkZone," a place where everything that has ever been drawn in chalk, and then erased, reappears and remains forever. Since his discovery, Rudy lives a dual existence, one in the real world, and one in ChalkZone. In his adventures, he has saved ChalkZone and its inhabitants from countless dangers, and saved his town a few times, when some of the more unusual elements find their way into the real world.
Rudy is portayed by E.G. Daily (who also voices Tommy Pickles on Rugrats, Buttercup on The PowerPuff Girls, Sprocket on Spyro: Skylanders, Bagheera in Jungle Cubs, and Isabel "Dizzy" Flores on Roughnecks: Starship Trooper Chronicles.