Visual Effects Phil Cummings Directed Billy & Mandy's Big Boogey Adventure 2007 Other Credits Justice League: Crisis on Infinite Earths Part Three Animation 2024 Green Lantern: Beware My Power Animation 2022 DC Super Hero Girls: Hero of the Year Animation 2016 Cool World Visual Effects 1992 Jetsons: The Movie Animation 1990 Snoopy: The Musical Animation 1988 Lightning, the White Stallion Animation 1986 What Have We Learned, Charlie Brown? Animation 1983 The Mouse and His Child Animation 1977 Agent-readable