Knuckles The Echidna

Knuckles is the guardian and protector of the Master Emerald. He is also and was Sonic's rival when the 7 Chaos Emeralds were taken.

Appearance
Knuckles is a red spiny anteater, and he wears boxing look like gloves with two spikes each. And he wears red, yellow, and green shoes with silver bricks that look like Legos. He's got a red zigzagged tail.