Comes up with all the crazy contraptions for the Eds of the famed cul-de-sac on Ed, Edd, n Eddy. Wears a sock on his head, and hides something that has never been seen and never will be seen. Referred to as "Double D".
1.The smartist kid in the cul-de-sac 2.The only kid on Ed, Edd, n' Eddy who has a 4.0 GPA and is very likley to get into Harvard, Prinston, Yale, or Stanford University 3. Who is annoyed by his buddies Ed and Eddy 4. (a.k.a.) double D.
Edd: Oh Edd you nimcompoop, you wasted the sunscreen.