Who said "He's only got a little fin, but he's tough."?

This quote is attributed to Marlin.

He's only got a little fin, but he's tough. - Marlin

"He's only got a little fin, but he's tough."

Marlin Strength

"I'm sorry, but I can't help you. It's not you, it's me. Well, actually it is you."

"I promised I'd never let anything happen to him."

"He's my son."

"I have to find him. I have to find Nemo."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."