The year is 3071, all humans were killed by an explosion, a planet of a snowy wasteland's core exploding. Worker Drone robots took over the company. Disassembly Drones are killer robots that kill & eat worker drones for their oil. A Worker named Khan Doorman, Uzi's dad, made blast doors in the bunker. 
Uzi: angsty, smart, rebellious, edgy, an outcast.
Lizzy: Sassy, popular, loyal, chill,
Doll: Quiet, mysterious, speaks Russian
Thad: Chill, kind, popular, a sweetheart, friendly