BREED: Bernese Mountain Dog

HOME: The Dino Wilds

FIRST APPEARANCE: "Dino Rescue: Pups and the Lost Dino Eggs" (Season 7, Episode 6)

SPECIAL SKILLS: Rex is a dino expert!

VOICED BY: Hartley Bernier

Rex is a Bernese Mountain Dog and a dinosaur expert! As a differently-abled pup, Rex races around the Dino Wilds using special walking wheels that were built just for him! Together, he and the pups partner up to save their prehistoric pals.