Aldo is the main character of the children's show, Sitting Ducks. He is a lumbering alligator from the town of Swampwood. He's Bill's best friend, though he often receives grief from his fellow gators on being a "duck lover". Has a blind Uncle Artie and a baby cousin Andy. Once was the cook at the bowling ball factory, he transferred to the assembly line after he befriended Bill, as he didn't want to cook any more ducks.