What type of animal is Knuckles in “Sonic the Hedgehog”?

Question: What type of animal is Knuckles in “Sonic the Hedgehog”?

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An echidna, or spiny anteater.

Knuckles in the “Sonic the Hedgehog” series is an echidna. The character first appeared in Sonic the Hedgehog 3 in 1994. He is distinguished by his red coloring and the two spike-like knuckles on each of his hands, which are used for digging. In the series, Knuckles is the guardian of the Master Emerald, a powerful ancient relic which is his solemn duty to protect from anyone seeking to abuse it. His character is often depicted as serious and a bit gullible compared to the more carefree personality of Sonic.