Guy Vernon Moon (February 7, 1962 – January 8, 2026) was an American composer who was known for composing music for various films, television productions, and, most notably, animations - which the latter includes The Fairly OddParents, Danny Phantom, Cow and Chicken, and Johnny Bravo. Moon graduated from the University of Arizona before starting his composition career. He was known for his frequent collaboration with animator Butch Hartman, with his work being nominated for four Emmy Awards.