Tweek was a strange boy as he grew up. He always had Thomas to protect him like a sprite but. having Thomas sometimes make Tweek see some scary things. Tweek can see the pass and see people's emotions when they hold hands. He can also bring a love one who pass back to talk for only 1 min before bad things happen. Tweek was always trying to harm himself as The spirit Thomas stops him. but when Tweek yells at Thomas he leaves Tweek alone as bad things happen.