I have a pretty long list but I'll just stick to my numero uno. Also, there are no consequences after hitting them.
Justin Bieber. Obama is a close second, but I HATE Justin Bieber. By far the biggest douche bag on the face of the planet. Kid thinks he's the greatest thing since sliced bread. It's only a matter of time before he goes into a stage 5 meltdown like Lohan or Bynes. (They use to be so hot).