Cap'n Salty

Cap'n Salty is a character on Big Nate Island.

Water bikes
Cap'n Salty owns two water bikes, which you need to use to get to Sealsaw Rock. You will jump on the green bike and race Nate, who will use the orange bike.

Cap'n Salty's
He was the founder of the restaurant Cap'n Salty's, which is the island's multiplayer room.

Trivia

 * He is, obviously, based off of the character of the same name from the Big Nate comics.