Knuckles the Echidna is a strong, red-furred warrior with spiked knuckles, known for his determination and serious nature. As the guardian of the Master Emerald on Angel Island, he is fiercely protective of his home and takes his duties seriously. While initially wary and solitary, Knuckles has a strong sense of justice and loyalty, and over time, he becomes a valuable ally to Sonic and his friends. With a tough exterior and a heart of gold, Knuckles is always ready to fight for what’s right.