Mix-Match is a evil horse who comes every 5 Halloweens, each visit, knocking on an unsuspecting victim's door, and to their surprise, Mix-Match kidnaps them and then takes theirs limbs off one by one.
Of course, he wasn't always mean because he does this as he died in the hands of a factory, because he was taken from his home as his owner could not afford to keep his house.
As of then, he was taken to the factory, where he died.
His body parts were made into produce one by one and he vowed to get revenge.