Crawler

Crawlers resembles Infested Crewman with no lower limbs. Forcing them to move with their hands. They are fairly agile and is hard to hit due to their habit of staying low, but besides that, they don't pose a large threat.

Trivia

 * Before Update 10, Crawlers used to crawl at a very slow pace. It was considered a very low threat due to their low damage output and slow speed.
 * Humorously, Crawlers can be stealth attacked, which prompts them to stand up on non-existent legs for some weapons. They also stand for various stun animations as well.