Deborah

Deborah was he niece of William Barricade's friend Robert.Her uncle invited over to William's house to hang out but William wanted her to leave.When she did William killed Robert.She came back into the house because she forgot her car keys and walked in on Darth Calculus trying to recruit William to his Rollerblading team called the Rapper Dukes.Then Gertrude showed up and accidentally set off a nuclear warhead killing everyone except for William.