Charles Lee

Chucky is a two foot child’s toy inhabited by the soul of a serial killer known in the media as “The Lake Shoe Killer"

Charles Lee "Chucky" Ray (aka "The Lakeshore Strangler") serial killer and voodoo practitioner Charles Lee "Chucky" Ray, is shot and mortally wounded. Before dying in his human body, Ray takes cover inside a toy store, finds boxes of "Good Guy" dolls, and uses a voodoo ritual to transfer his soul into one of them.
John (a.k.a. "Dr. Death"), was Chucky’s voodoo instructor –edited from Wikipedia

- Child’s Play