Who is who

Jessica Odinson and her friends and siblings died when she was six. They came back as 'shifters'. They became monsters in the Underground, and Animatronics at Freddy Fazbears Pizzariea, the place they died.
In the world that Jess and her twin are in, a new Freddys, the place they died, opens up again.
Four villains group together to kill them. Will they survive or die?