Designated Species 8472 by the Borg, and never given their true name on-screen following this, the Collective's desire to assimilate new life forms lead them to clash with these biological nightmares.

Species 8472 and the Hirogens come to mind, but when you think about really scary enemies who could give Voyager a run for its money, the Kazon don't even make the top ten list. Introduced in ...