skos:altLabel | - Professor
- Ace Morgan
- Challengers
- Challengers From Beyond
- Challengers from Beyond
- Challengers of the Unknown Archives
- Challengers of the Unknown#Fictional group history
- Challengers of the Unknown#Post-Flashpoint
- Drabny
- June Robbins
- Kyle \"Ace\" Morgan
- League of Challenger-Haters
- Leslie \"Rocky\" Davis
- New Challengers
- Prof Haley
- Red Ryan
- Rocky Davis
- The Challengers of the Unknown
- Volcano Man
- Walter Mark \"Prof\" Haley
- the Challengers of the Unknown
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