Possible Clues:

• — Guevara, revolutionary
• Symbol of rebellion on many T-shirts
• Bolivian revolutionary
• Role for Benicio
• Title role for Omar Sharif or Benicio Del Toro
• Beret-wearing rebel
• 'El ___ vive!' (revolutionary catchphrase)
• "The Motorcycle Diaries" subject
• “The Motorcycle Diaries” writer
• Rebel oft-seen on T-shirts