Guy Moon, the Emmy-nominated composer behind some of Nickelodeon’s most beloved animated series, has died at the age of 63.

Guy Moon, the composer behind the music of animated favorites like "Danny Phantom" and "Johnny Test," died in a traffic accident Jan. 8.

He also contributed music to "Danny Phantom," "SpongeBob SquarePants," "ChalkZone," "Ned's Declassified School Survival Guide," and "Johnny Test." ...