Skrawler

Skrawlers are small undead monsters serving as enemies. They are set to debut in Tunnels from Nowhere, but were originally designed for Frayscape. They have red or pink bodies made up of organs that act similar to a slug's body, and their head is made up of a skull with fleshy spikes poking out from the top. They behave by slowly crawling along the floor in the direction of the player, hence their name being derivative of the words "skull" and "crawler".