CLIFF HUDSON: His reason for insanity is because he lost his family, and keeps getting flash backs of war. And unlike most villains he actually apologizes to the protagonist before he dies, and Frank closes his eyes out of respect..
ADAM THE CLOWN: Once a happy clown. He was driven over the edge when he witnessed the childrun he loved get eaten alive oleh the undead. Unable to cope, he placed boneka on the roller coaster and treated them like the childrun. And stopping, even killing, anyone who tried to turn off the ride. Doing so would bring zombies onto the roller coaster..