powers from a meteorite. Zarxes – A dimensional villain who plotted to conquer Earth. Zog – An alien criminal. In other media Television The Challengers of the Unknown appear in Batman: The Brave and the Bold, with Walter Mark "Prof" Haley voiced by Armin Shimerman, Matthew "Red" Ryan by Ioan Gruffudd, Kyle "Ace" Morgan by J.K. Simmons, and Leslie "Rocky" Davis by James Arnold Taylor. The Challengers of the Unknown appear in the Teen Titans Go! episode "TV Knight 4". Film The Challengers of the Unknown appear in Justice League: The New Frontier, with Kyle "Ace" Morgan voiced by John Heard while Walter Mark "Prof" Haley, Matthew "Red" Ryan, Dr. June Robbins, and Leslie "Rocky" Davis are silent. The Challengers of the Unknown appear in Teen Titans Go! To the Movies, with the unnamed leader voiced by Dave Stone while the other members are silent. Miscellaneous A parody of the Challengers of the Unknown called the "Explorers of the Unknown" appear in Archie Comics. The Challengers of the Unknown appear in a self-titled novel penned by Ron Goulart. (Dell Books, ) The Challengers of the Unknown are referenced in The New Pornographers' song "Challengers". Awards The 1950–60s series won the 1967 Alley Awards for Best Non-Super-Powered Group Title and Best Normal Adventure Group. Collected editions Silver Age Bronze Age Modern Age Footnotes External links Challengers of the Unknown at the Big Comic Book DataBase Index of the Challengers' 1957–1978 adventures Challengers of the Unknown index DC Comics titles Fictional explorers Fictional paranormal investigators Fictional quartets Comics characters introduced in 1957 Characters created by Jack Kirby