Sacred: I've actually heard the tune used in his entrance, and combined with the whole "We are controlling transmission" (Outer Limits!) it just made a beautiful and almost ominous entrance.
Kibagami: I'm incredibly fond of the Art of War quote that always pops up, and then the opening part of The River Dragon Has Come coupled with the smoke and the pyro.
The Unholy Trinity: Darkness, smoke, laser light, and Machine Head. "LET FREEDOM RING WITH A SHOTGUN BLAST!"
Todd Royal: Come on. The man has his own choir sing him to the ring. How can you argue with something as sweet as that?
The Magnificent Seven: Born to be Kings!