DARER

• 'I bet you can't' sayer

• Adventurer

• Adventurous one

• Adventurous person

• Bet you can't! taunter

• Bold one

• Bold type

• Brave one

• Brave soul

• Challenger

• Challenger's red array

• Challenging person

• Chicken caller

• Cross that line! utterer

• Defiant one

• Defiant person

• Defier

• Defier of the odds

• Fate tempter

• First to go?

• Gutsy sort

• He chances

• He gambles

• Knievel, for one

• Nervy type

• One who bells the cat

• One who challenges

• One who eggs on

• One who takes risks

• One who uses the phrase Betcha can't...

• One with a sense of adventure

• One with nerve

• Person chanting I bet you can't

• Playground troublemaker

• Plunger

• Prank initiator, maybe

• Prank starter

• Provocative sort

• Risk runner

• Risk taker

• Soldier of fortune

• Stunt cyclist, e.g.

• Stunt man, e.g.

• Stunt pilot, e.g.

• Venturesome one