Rookie and Popple - Mario & Luigi: Superstar Saga

"Rookie and Popple - Mario & Luigi: Superstar Saga" is a high quality rip of "Rookie and Popple" from Mario & Luigi: Superstar Saga.

Joke
The melody changes to "Bonetrousle" from Undertale.

Trivia
The description is referencing Popple, a character from the game. He has an habit of saying "see?" at the end of his sentences.