This sound is from Special Ed Sounds

Ed is perhaps best known for the songs "I Got It Made", "Think About It" and "I'm the Magnificent" from his debut album Youngest in Charge, released in 1989 when he was 17 years old. He is an American rapper and producer, known professionally as Special Ed.
See also: Special ed, Special education, List of Ed, Edd n Eddy episodes, Legal (Special Ed album), Revelations (Special Ed album), Ed, Edd n Eddy.