 | Sonic the Hedgehog Kids Knuckles Costume | Video Game Costumes. “Wait a minute,” you're thinking. “Knuckles from Sonic the Hedgehog?” Yes, the one and only! And it turns out Knuckles is not a hedgehog himself, but actually an echidna. Yes, that's right! We wouldn't kid ya (see what we did there? Echnida, wouldn't kid ya? Yeah, you get it!). He's also not blue, but red, but he still collects rings, and he still fights Doctor Robotnik, at least when he's... - Sonic the Hedgehog Kids Knuckles Costume | Video Game Costumes. |