Knuckles the Echidna

Knuckles the Echidna is a fictional character from the Sonic the Hedgehog video game series created by Sega. He is depicted as a red echidna with distinctive spiked knuckles, which he uses for climbing and digging. Knuckles serves as the guardian of the Master Emerald, a powerful gem that maintains balance on the island where he lives. Initially introduced as a rival to Sonic, he later becomes an ally. Characterized by his strong sense of duty and sometimes hot-headed nature, Knuckles represents themes of loyalty, strength, and the struggle between duty and personal relationships.