Chestburster (Earth-5875)

"In a few hours it's gonna burst through your ribcage, and you're gonna die. Any questions?"

- - Ripley 8 to Larry Purvis

The Chestburster is the third stage of the xenomorph evolution and the speciies' infant form. The creature is infamous for its horrific gestation - after being implanted into a host by a Facehugger, it matures within their bodies, mutating into a cancerous body that eventually erupts from the host's chest with extreme violence and trauma. They are small, reaching only 2' (60,48 cms) from their heads to their tails.