Cosmo Julius Cosma is one of the main characters on the show. He is one of Timmy, and Chloe's fairy godparents alongside his wife, Wanda, and his son, Poof. Cosmo is one of the dumbest characters on the show, rivaled only by Timmy's Dad, and his ideas are what often lead Timmy into trouble. He is also, at times, a bit over-emotional.