Ugg

Ugg was Calvin's caveman ancestor who carries a bone club and can only speak through grunts and gibberish. What he lacks in speech is that he has a way controlling animals, Calvin and the gang met him when they went though time to save Calvin's ancestors from disappearing. He and his tribe were sent back to dinosaur times to become slaves to mine diminion a perfect power source that went extinct along with the dinosaurs which were enslaved as well, but with Calvin and the gang's help they were to cure the dinosaurs and get Ugg back to inventing. He along with Calvin and the other ancestors were imprisoned in a Dr. Brainstorm-ruled present time but were freed by Hobbes, Socrates, Andy, Sherman, and MTM and assisted in the final battle with the Brainstorm Combine-o-tron-5000.