Fatty Glutton is a very tough boss in any game it appears, as not only it is very fast, it is only vulnerable when attacking. It's signature weapon is a piranha-drone which exploder into a spread shot when destroyed or near it's target. It's other attacks involve ramming, releasing scales, homing drones and firing lasers. It received an upgrade in the form of Hungry Gluttons, which can use various attacking drones to support fire.