The Grounder[1] (ハンドリル[2], Handoriru?, lit. "Handrill") is an enemy in the Sonic the Hedgehog series. It is a mass-produced, mole-based Badnik created by Dr. Eggman. The Grounders are similar to the Burrobots in design, but much more bulky. They have broad, red bodies with two continuous tracks for legs. On their head they have two gray bolts for eyes, a white antenna on the back of ... More @Wikipedia
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