Gazlene "Gaz" Membrane is the menacing younger sister of Dib Membrane from the Invader Zim franchise, being a key supporting character in the show and the deuteragonist in the movie. She is also the daughter of Professor Membrane.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.
