Possible Clues:

• 'Brother' of Bruno and Borat
• Alter ego of Borat and Brüno
• Brüno alter ego
• Brüno's alter ego
• Fictional member of da West Staines Massiv
• HBO character
• He asked James Lipton, 'Has you even interviewed Shakespeares?'
• Eccentric Sacha Baron Cohen persona
• British character played by Sacha Baron Cohen who can seem a little mean sometimes, but I know it's all in good fun and it comes from a good place :)
• Longtime Sacha Baron Cohen character