"Double D" is a character from the animated television series Ed, Edd n Eddy. He is known for his intelligence, problem-solving skills, and distinctive red hat. Often referred to as "Edd," he is the voice of reason among his friends and frequently tries to keep their schemes in check. In the show, Double D is characterized by his neatness and love for order. He often contrasts with his friends, Ed and Eddy, who are more impulsive and mischievous. His personality and traits make him a central figure in the series, contributing to the group's dynamic and adventures.