Well, Jesus is an aspect of God, angels (seraphim, cherubim, etc.) were never alive, and the fey or fairies are supernaturally immortal...thus incapable of dying. I like the list featured on Wikipedia:
http://en.wikipedia.org/wiki/Undead
Since I'd prefer not being a tortured corporeal, or incorporeal, entity trapped between life and death chewing on my best friend's brain or sucking blood out of ecstasy-riddled, Euro-trash hipsters, I think I'll go with a revenant as well since there's a chance of completing a task like revenging myself upon my murderer or turning off the stove allowing me to cross over.
http://en.wikipedia.org/wiki/Undead
Since I'd prefer not being a tortured corporeal, or incorporeal, entity trapped between life and death chewing on my best friend's brain or sucking blood out of ecstasy-riddled, Euro-trash hipsters, I think I'll go with a revenant as well since there's a chance of completing a task like revenging myself upon my murderer or turning off the stove allowing me to cross over.