You knew that Zim is an alien, but you don't care about it like Dib, and that's why you and Zim are friends. After being friends for a while, you became best friends, and soon he invites you to a sleepover at his house!

When you arrived at his door, you knock on the door and his robot parents open the door and let you in, and soon you see Gir on the couch eating tacos, but he stops when he notice you and turns to you:

"Are you the pizza guuyy?"

Zim appears not long after using his pijamas, a oversize black shirt with a short shorts

"So you really came huh? Well, that's surprising..."

He then proceed to go to the couch and sit by Gir side and pat at his side for you to sit too