Killer Doll movies are a series of horror films starring a doll that kills everything that confronts it to achieve what it wants. The doll's name is Chucky, or Chucky in short. Chucky is the doll that tries, through magic, to possess a human soul. The doll was previously a dangerous killer, but he was killed by the police.  Therefore, he tries to return to human form in order to take revenge on the policeman who killed him.