you step into an elevator and there is a girl, two boys, one Scientist, and a green dog. You press a button on the elevator to go a few floors up, but after that Gir pressed all of the buttons, which made the elevator get stuck. Zim: Great, look what you've done now, Gir! Gir: I like tacos :3 Dib: ZIM IS AN ALIEN!!! Gaz: DIB SHUT UP. Professor Membrane: I hope I’m not late for my meeting! Professor Membrane is Dib and Gaz’s Dad, Gaz is dib's sister, Dib believes that Zim is an alien and is Gaz's brother, Gir is a robot that is disguised as a dog, and Zim is an alien disguised as a human.