Border Bro

The Border Bros. are the brothers that guard the way between the Beanbean Kingdom and the Mushroom Kingdom in the game Mario & Luigi: Superstar Saga. In order to pass into the Beanbean territory, you must complete their game of Jumping across a rope.

You must avoid hitting the rope 3 times with either character or you must restart the challenge. After beating them, you may come back and challenge them again, but the game is harder every time you beat it.

They may actually be beanified Chargin' Chucks. They are also the only two known in existance.