/guid/9202a8c04000641f80000000004d6f77 rename

A headcrab is a fictional alien parasitoid found in the Half-Life video game series created by...

A headcrab is a fictional alien parasitoid found in the Half-Life video game series created by Valve Software. They are the most numerous and arguably most iconic aliens in the series. They are also sometimes referred to as "headhumpers" or "headhoppers" by Barney Calhoun and some of the citizens in the game. Headcrabs are parasitic life-forms roughly 2 feet (0.61 m) long. Headcrabs have rounded bodies with four legs for movement; two long clawed legs at the front, and two stubby legs at the back. Their pair of large frontal claws are for attacking prey or as additional support when standing still. Under the headcrab's body is a large rounded mouth surrounded by pointed rigid flesh with sharp claw-like "beaks". The design of the headcrab changes between Half-Life and Half-Life 2. Half-Life headcrabs have exposed teeth and intestines at their mouth, while the Half-Life 2 version does not. As such, it is initially apparent that the headcrab only walks with its large front claws and hind legs, while the stubby legs form part of the headcrab's mouth. The headcrabs found in Half-Life are also noticeably smaller than those in Half-Life 2, which have bodies approximately the size of a