Es-Watt appears as a bi-pedal somewhat insect-like creature. They are fought in many different colors, such as brown, blue and red. Later on in the game, Es-Watts with different heads which are stronger then the regular Es-Watts replace the original ones. The first one makes the Es-Watt look much more reptilian.
Es-Watts are the most common enemies of Guilty Gear: Judgment, and as such, are fought in pretty much every area of the game in one way or another. Es-Watts are also the first enemy the player fights, and are often found in large packs, though are very easy to kill. An Es-Watt appears as a playable character in Guilty Gear RoA.
Though Es-Watts stand most of the time, they can be seen running on all fours when approaching a target. Es-Watts attack by swinging their jagged tail, or using their long sharp claws to swipe at opponents. Es-Watts can also breathe in deeply, then spit at a large ball of green liquid.