Hell knight

The Hell Knight is a monster introduced in Doom 2. It is exactly identical to a Baron of Hell, except that it has half as many hit points, is palette shifted to have brown skin instead of pink, and has slightly different sounds (they are very similar to the Baron's sounds, but transposed to a higher pitch).

In Doom 3 the Hell Knights look got an overhaul and look similar to the Shambler from Quake These new Hell Knights are very muscular and heavy. An in game exhibition of their spine indicates they have massive skeletons as well. They have no visible eyes ears or nose yet are excellent hunters.

Doom RPG
The Hellknight appears in Doom RPG as a variation on the Baron of Hell monster class. As in the original, it is not as powerful as the Baron, but is more powerful than the new "Ogre" variation.

Appearance statistics
The IWADs contain the following numbers of Hell Knights: