Protogen are Anthro, cyborg-like creatures. they are more mammal-like in appearance, sporting a more upright stature, alongside a shorter, rounder visor. They are known for being excellent and hard to kill, which lead to Operation Antiprotogen and The Kestrel Purge. Simple EMP's won't work, and most bullets under 30. Cal can't penetrate it's armor. has a lasgun.