Muerte infernal (1992)

A doll shop owner becomes a little too close for comfort with her teenage son, Lorenzo after her husband dies. He is passionate about dolls and puppets. One day they receive a mysterious package with a big doll inside - a living, killer doll played by a dwarf in a doll costume. He has set up a show with the new doll. Having several psychological problems, among which include the incestuous relationship with his mother, he perceives that situations with his new doll become something strange. The spawn has life and thirst for female blood.