Gnome

Gnomes are enemies that spawn in groups of three and are very similar to Scp 173. They can not move when you are starring at them but they will sneak up on you and stab you with their own speical knife called the Gnome's Knife. They also talk when near you.

Orgin
The gnome was originally from Half life 2 as a prop. In Garry's mod the same gnome makes an appearance but instead of just being a prop it is alive and moves when you are looking away. When it comes in contact with you it takes out a knife and kills you instanty. It also can not be killed but can be shot far away with the gravity gun.