Mario Team:Part 1/Kooper

Kooper is the third character you unlock in Mario Team:Part 1. He is the only character who can swim, and he can destroy shell blocks.
==How to unlock==
In PAN stadium, Kooper is behind a wall and asks Mario if he would pass his shell to him. After Mario kicks the shell, kooper says that he would help Mario on his adventure to save the princess. He also mentions that Parakarry has been taken to Hand Breakout Land.