Who said "I'm-a scared, but fear won't stop me!"?

This quote is attributed to Luigi.

I'm-a scared, but fear won't stop me! - Luigi

"I'm-a scared, but fear won't stop me!"

Luigi Courage

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

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

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."