Who said "We've got to stick together, no matter what!"?

This quote is attributed to Luigi.

We've got to stick together, no matter what! - Luigi

"We've got to stick together, no matter what!"

Luigi Friendship

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

"I'm-a scared, but I'm-a going anyway!"

"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."