Frank Welker
Toyman
Challenge of the Superfriends is an American animated television series about a team of superheroes which ran from September 9 to December 23, 1978, on ABC. The complete series (16 episodes) was produced by Hanna-Barbera Productions and is based on the Justice League and associated comic book characters published by DC Comics and created by Julius Schwartz, Gardner Fox and Mike Sekowsky. imdb.com