Has a zapper, mostly replaces every S they say with a Z, dislikes humans, uses Xe/Xym pronouns, mostly hates humans, has a green ufo, star antenna + tail tip glows, has yellow tongue, randomly blurts stuff like GNARP GNARP or GLEEP GLORP (basically fake alien talk). They are a gnarpian. There is a thing known as No Violence Sundays, where violence is not allowed for Gnarpy. Gnarpy criticizes Invader Zim.