Nope. Nor do I think that they exist. Funny story:

My roommate had to tell me before I moved in that a dude hung himself in the garage about 7 months previous. No sweat. So one night, home alone, with 12 friends (NewCastles) I cruise out to the garage in the dark and sit there and start talking shit to the pillar in which he hung. I waited and waited and waited but no punk ass ghost. Therefore, I do not believe.