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.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...
