Possible Clues:

• 'Interviewer' who asked Buzz Aldrin whether people on the moon were friendly
• Sacha Baron Cohen TV personality
• Sacha Baron Cohen title role
• Sacha Baron Cohen title character
• Sacha Baron Cohen character ... or an Arizona river flowing north?
• He once asked Buzz Aldrin, 'Is you upset that Michael Jackson got all the credit for inventing the moonwalk?'
• "Booyakasha!" persona
• Rude Sacha Baron Cohen persona
• He interviewed "Boutros Boutros Boutros Boutros-Ghali" in 2003
• Sacha Baron Cohen alter-ego