Nami is the navigator of the Straw Hat Pirates, a fictional character from Eiichiro Oda's One Piece manga and anime, first appearing in 1997. She grew up in Cocoyashi Village in the East Blue with her adoptive sister Nojiko, raised by Bell-mere after they were orphaned. Under Arlong and his fishman pirates she was forced to steal and draw maps, and she became the thief known as the Cat Burglar.

She is known as the sharp, money-minded navigator who dreams of drawing a map of the entire world, and as one of the smartest members of Luffy's crew. Her staff, the Clima-Tact, lets her call weather like lightning. She is the voice of logic among the rowdy crew, she will not sell out a crewmate for any price, and she jokes that she charges debts with