Knuckles the Echidna is a wise and helpful friend who knows how to help everyone, like Barney. He is voiced by Dave.

Allies: Sonic the Hedgehog, Tails, Barney, Baby Bop, BJ, Riff, Oliver, Carlos

Enemies: Eric, Brian, Bill, Freddie

Likes: Thomas and Friends, Barney and Friends, Mario, Sesame Street, Power Rangers

Dislikes: People who are mean