- In Norse mythology, Tanngrisnir and Tanngnjóstr were goats that pulled Thor's chariot.
- "Tanngrisnir" translates to "teeth-barer, snarler" and Tanngnjóstr translates to "teeth grinder" in Old Nordic language. In fact, when this card was used to Synchro Summon Thor in the anime, you can clearly see it grinding its teeth.
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