Sleet is a minor villain in the Sonic Underground animated series. He is a minor player in the Non Disney Villains Tournament.
Non Disney Villains Tournament
During Robotnik's assault upon the Technodrome, Sleet is a key member of the forward assault. He sends several of his robots after Bebop and Rocksteady, and he even manages to bury Rocksteady under a pile of rubble. Bebop, though, has his revenge. While Sleet is trying to flee the battle, Bebop blasts the ceiling above and buries Sleet alive.