Flawless Victory. It's probably taken though but I don't give a ****. It still sound bad ass. Also, this is just obligatory: teh Mudkipz.
I have dibs on "Team Essence" already =P Try something that sounds complex and sophisticated, not something like "Darkness snipers of death and black darkness." Ill just throw some words out for you to work with: Tyrants, Overthrown, Frequency, Oblivion, Onset, Covalence, Ionic, Theta, Tetrad, Fish Takos