Who said "Friendship means never backing down for each other."?

This quote is attributed to Knuckles.

Friendship means never backing down for each other. - Knuckles

"Friendship means never backing down for each other."

Knuckles Friendship

"I'm the last one standing!"

"Gotta protect this Master Emerald!"

"Nobody messes with the Master Emerald while I'm around!"

"I may not be the smartest guy, but I know what's right!"

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."