[1] Over his career as an animator, Hoover worked on such programs as Fat Albert and the Cosby Kids, The Archie Show, Tarzan, Lord of the Jungle, The New Adventures of Flash Gordon, He-Man and the Masters of the Universe, She-Ra: Princess of Power, The Super Friends, The Smurfs, Men in Black: The Series, The Godzilla Power Hour, RoboCop: Alpha Commando, and many more.

Hoover worked on two animated feature films, Fire and Ice (1983), the Frank Frazetta-inspired movie; and Starchaser: The Legend of Orin (1985).

[3] In 2003, he returned to the comics industry with his creator-owned adult series Wilde Knight with co-creator/writer Gary Petras; and in 2004 Hoover joined EAdultComics's lineup of artists.

Having established himself as a good girl artist, Hoover's first assignment for the online adult comics publisher was Jungle Love.

Hoover pencilled the interiors of the first three Charmed comics and its prequel which Zenescope began releasing in June 2010.