Knuckles the Echidna is a popular character from the Sonic the Hedgehog video game series. He is known for his red fur, spiky knuckles, and strong personality. As the guardian of the Master Emerald, Knuckles is dedicated to protecting it from anyone who might misuse its power. He often finds himself in conflict with Dr. Robotnik, the series' main villain, but he also has a strong sense of honor and loyalty. Despite his tough exterior, Knuckles is a loyal friend to Sonic and the other characters. He sometimes struggles with feelings of loneliness and the weight of his responsibilities. Knuckles is also known for his impressive strength and ability to glide, making him a unique and valuable member of the team.