Knights of Hell (Omniverse)

The Knights of Hell are a race of unique breed of demons that serves Hell in the series: Power Rangers: Omniverse.

Plot
The Knights of Hell were an order and class of very strong demons who were handpicked by Lucifer from among the first fallen humans to be converted into demons. The Knights are thought to be among the oldest and most powerful of their kind, their exact rank in the hierarchy of Hell is not stated; however, they appear to be figures of awe among most demons and refuse to obey demons they consider inferior to themselves.