|First Appearance||"Chalkzone" (Oh Yeah! Cartoons) 2nd March, 2002|
Penelope Victoria “Penny” Sanchez is a smart girl with brown hair and glasses. She's one of Rudy's classmates, and an overachiever, with a fascination for science. Other than Rudy, She's the only human who knows about Chalkzone because she travels there often with Rudy. The song "Escucha Mi Corazon" taps into her Latin roots, since she can be heard singing the song in Spanish. It is also speculated that Rudy and Penny have a love interest for each other. She has a Boston accent, vary similar to Barbara Walters.
Nicktoons: Attack of the ToybotsEdit
Penny appears as a collectible Master Model in the handheld version of Nicktoons: Attack of the Toybots replacing Rudy in the console version.