Possible Clues:

• Imp, some beggar, as calculated
• Big name in mobility scooters
• "Why Wait" Flatts
• Capone hiding behind nasty scar, a baddie
• No-goodnik
• Mischievous little imp
• Naughty boy, a learner after crashing cars
• Car's crashed with a learner — a culpable character
• In Clubmoor, a scally?
• So the car's smashed with that scoundrel, Al