Cacodemon/Doom 3

The Cacodemon in Doom 3, as compared to the original monster, is taupe in color, has a wider mouth, and has multiple green eyes, as well as some longer, thin tentacles hanging from the bottom of its body. Like the original, it fires an energy ball in a straight line at the player, although this projectile is yellow instead of purple and pink. Its energy balls can also be shot down and destroyed in midair, like every other explosive projectile in Doom 3. Contrary to the original, it flies faster and as a consequence, it's harder to hit and closes in faster.

It is capable of biting when close, but this only leaves it particularly vulnerable to melee weapons such as the fist, flashlight or the chainsaw.