Corwin C. Tuggles is an American child actor. He was the singing voice of Tyrone on The Backyardigans. On Broadway, he was in Caroline, or Change, and Dr. Seuss' How the Grinch Stole Christmas!. Corwin C. Tuggles is an American child actor. He was the singing voice of Tyrone on The Backyardigans. On Broadway, he was in Caroline, or Change, and Dr. Seuss' How the Grinch Stole Christmas!.