The Yadokaka (ヤドカカ?)[1] is an enemy that appears in Sonic Labyrinth. They are a model of Badniks created by Dr. Eggman.


They are big-eyed hermit crab robots that crawl slowly along the ground, stopping at regular intervals to duck into their protective shells.


  • The "Yado" of this Badnik's name comes from "Yadokari", the Japanese word for "hermit crab".


  1. Sonic Labyrinth (Sega Game Gear) Japanese instruction manual p. 30.
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