The Wavy-arm Elder God is a limited-time premium decoration released on October 20, 2015, during the Treehouse of Horror XXVI Event.
It returned on August 12, 2017, during Act 1 of the Homerpalooza 2017 Event. On November 6, 2017, during the Treehouse of Horror XXVIII Event, it was re-released with 10 donuts rebate. It was re-released on September 25, 2019, as part of Cthulhu's Revenge 2019 Event.
- It can be placed on grass, pavement, dirt, beach, boardwalk, pier, edge of boardwalk, or edge of pier.