Anyone who memorizes Captain Ahab lines from Moby Dick and keeps a pet killer ear-slug is likely to carry a few grudges.
The highbrow Chang quotes from Klingon translations of Shakespeare while plotting the assassination of his own High Chancellor.
Watching your homeland die in the wake of a supernova triggered the rage of this Romulan miner who holds a grudge against Spock.
After being ripped away from the timeless paradise Nexus, this El-Aurian will sacrifice 200 million lives to find a way back.
Raised in a dilithium mine under the lash of Romulan rule, Picardâ€™s clone is determined never to bow to authority.
This crazed, star-hopping explorer is out to exact revenge upon members of his own Utopian tribe.
Don't call for help. This mindless force shaped like a giant Tootsie Roll has shut down every electrical system in sight.
This amorphous cloud wipes out a whole fleet of Klingons, then heads towards Earth gobbling up every ship in its path.
After exacting Old Testament-style lightning-from-the-eyes on Kirk and Spock, Sha Ka Ree confesses he's no deity, just a supervillain.