That's Peter Dinklage in the leprechaun outfit at 0:26.

Excuse me, but this is NOT the gay anthem. Being gay, I consider my self a bit of an authority on the matter. This is the straight world's theme FOR the gay communtiy - big difference. You will never hear this song in a gay club. The gay anthem is probably something by Rhianna or Kylie Minogue -nothing spectacular-…