Nightmare Willie

 is a limited-time premium decoration that was released on November 1st, 2016, as part of Act 3 of the Treehouse of Horror XXVII Event. It the player with 375 MAG Points upon placement.

It returned on October 26, 2018 during the Treehouse of Horror XXIX Event as a possible prize in the Mystery Jack-O-Lantern.

Trivia

 * Only one can be purchased.
 * It can be placed on grass, pavement, dirt, beach, boardwalk, pier, edge of boardwalk, or edge of pier.