Encountering enemies in video games based on how scary they are:; Gangsters and mafiosos (GTA, Mafia, Saints Row, etc.); Combine soldiers (Half-Life); Creepers (Minecraft); Zombies (e.g, Left 4 Dead, Resident Evil); The Twins (Silent Hill 4: The Room); Headcrabs (Half Life); Poison Headcrabs (Half-Life 2, Episode One/Two and Half-Life: Alyx); Zombie Headcrabs (Half-Life); The Flood (Halo)