Space Rats
From Starsonata Wiki
The Space Rats are considered the lowest of the pests in Star Sonata, they consist of space rats, giant rats, huge rats, king rats and queen rats. The rats have a nest in Tunnels and Droppings and Pellets and Waste (where the legendary Rattie Moe dwells), which are off The Nexus, they also have a habit of inhabiting dungeon.