On the cartoon Ed, Ed N Eddie, there are several theories about what exactly might be hiding under Double D's hat. It could be a mullet, dreadlocks, cornrows or he could just be bald.
Chat with our AI personalities
It is a mystery and will forever remain that way.
It has never been revealed. Many people will tell you that Edd has slicked back hair as seen in the "Lunch Room Rumble" game on the CartoonNetwork website, however, this is NOT part of the Ed, Edd n Eddy canon as the game wasn't created by AKA Cartoon (The makers of Ed, Edd n Eddy).
He is as bald as an egg.
He might be bald and might be scared that the cal-de-sac would make fun of him
A messy hairdo