Beetlejuice (1988) - Pictures, Photos & Images - IMDb say the name 3 times then you'll be in trouble.
Beetlejuice - IMDb
Beetlejuice (TV Series 1989–1991) - IMDb
Go ahead... make my millenium.
Beetlejuice 2 - IMDb
A couple of recently deceased ghosts contract the services of a "bio-exorcist" in order to remove the obnoxious new owners of their house.