Rubble is an English Bulldog pup. He has brown fur with a white belly that also covers most on his face with white fur. He has bright brown eyes and a tiny tail that can barely be seen. His gear is yellow and includes a yellow hardhat, which is typically used of safety in the construction business.
Rubble is a fun-loving English bulldog with an enthusiasm for comedy. His two great loves are skateboarding and eating. While he is quick to crack jokes, he makes sure to stay serious when on a mission.
- Rubble was the very first character to appear on the show. The pilot episode "Pups Make a Splash" opens with a scene of him skateboarding.