Answer
The Backyardigans is an American animated musical television series created by Janice Burgess and co-produced by Nelvana and Nickelodeon. It premiered on Nickelodeon in the United States on August 11, 2004. The series follows the adventures of five anthropomorphic animals who live in an imaginary backyard. Leon Thomas III voiced Tyrone, a purple dragon who is imaginative and loves to play.