This is a list of characters that hail from or were introduced in the area of the One Piece world known as North Blue. Some characters may appear in more than one location category, as they may have been introduced in one area but be from another.
“Ushio D. Neptune, also known as "Mad Emperor" and is the eccentric Captain of the Neptune...Ushio D. Neptune
“Raven G. Zen is the main protagonist of The Pirate Legacy and the captain of Black Phoenix...Raven G. Zen
“The Diego Pirates are a Pirate Crew that originates from the North Blue, Sleen Kingdom. There's...Diego Pirates
“Diego Carmesi, commonly known as "Captain Pepper" and later known as "Diego Sleen Carmesi", is...Diego Carmesi