Rudy is a evil albino baryonyx from Ice Age: Dawn of the Dinosaurs. His enemy is Buck the Weasel.
- Rudy will become Jeffrey's enemy in Jeffrey & Friends' Adventures of Ice Age: Dawn of the Dinosaurs.
- Rudy will return for revenge in Jeffrey & Friends are Home Alone trilogy and Jeffrey, Jaden & Friends meet Indiana Jones saga. From then on, he'll become one of Jeffrey's arch-enemies.