Possible Clues:

• ''Dumbbell!''
• Silly me, I had the tent, it seems!
• I spot one trapped inside, the fool
• I try to lose weight: taking nothing for energy is silly
• Dostoevsky's Prince Myshkin, e.g.
• I had one to turn silly
• 'You ___!' (cry while hitting oneself on the head)
• 'AKA ___' (Hives song)
• Silly me, I had the tent it seems
• One returning to identify Charlie