He's a bit of a meathead and dumbfounded. Even though he can be completely clueless at times, he can come up with the most clever of jokes. He doesn't have a home so he lives under Tails's house because he loves to dig underground. He often eats at Meh Burger and saves the day with Sonic, Tails, Amy Rose, and Sticks. Knuckles forgets a lot of things at times, but he kind of doesn't care. Knuckles misses his family since he's the last of his echidna kind. He's 16. He can't read either.