Related Clues:

• Risk runner
• Stunt cyclist, e.g.
• Provocative sort
• One who eggs on
• Playground troublemaker
• Knievel, for one
• Thrill seeker
• "Cross that line!" utterer
• One who challenges
• One who uses the phrase "Betcha can't . . ."
• "Bet you can't!" taunter
• Challenging person
• One who takes risks
• Blind Marvel Comics superhero
• Lived, dear like rckless adventurer