Who said "I'm gonna be the very best, like no one ever was!"?

This quote is attributed to Ash Ketchum.

I'm gonna be the very best, like no one ever was! - Ash Ketchum

"I'm gonna be the very best, like no one ever was!"

Ash Ketchum

"Gotta catch 'em all!"

"I'm gonna be a Pokémon Master!"

"There's no such thing as a useless Pokémon. It's the trainer that makes the difference."

"The important thing is not how strong a Pokémon is, but the bond between a trainer and their Pokémon."