John A. Derevlany is a Canadian writer, director, and performer known for co-creating the TV series Legends of Chima for LEGO. He also wrote every episode of the series and the Legends of Chima 4D movie playing at Legoland theme parks and Legoland Discovery Centers. Derevlany is also known for playing "Crackers the Corporate Crime Fighting Chicken" in Michael Moore's TV Nation. In addition, he created the preschool dance and movement show Animal Jam for The Jim Henson Company and the Discovery Channel, wrote many episodes of cartoon The Angry Beavers, and co-founded the heavy-metal ukulele band Uke Til U Puke.