Possible Clues:

• Stunt jumper Knievel
• Daredevil Robbie's daredevil dad
• First name in derring-do
• Daredevil name
• First name in stunt jumping
• First name in motorcycle jumping
• Motorcyclist Knievel
• First name in stunt driving
• First name in ramp-to-ramp jumping
• Snake River jumper Knievel