Beetlejuice

Grave robber during the Black Death, Married a witch
Murdered by her on their wedding night, killed her with an axe before dying
Became a powerful, rude & perverted Ghost, worked as a Bio-Exorcist
Banished by Juno with the curse of being summoned if someone said his name three times
1998: Summoned by the Maitlands to expel the Deetz family from their property;
Attempted to marry Lydia as part of their agreement, defeated by the Maitlands
2034: worked in the Afterlife Call Center, spending his time obsessing over Lydia
Summoned by Lydia, who asked him for his help to save her daughter;
Attempted to illegally marry Lydia but was banished back to the afterlife by her