Hoshiko Nanami is a reserved, inexpressive Inkling Girl who has gifted intelligence. She is also known as ShadyBeepo by the Ace of Cephalopods, and also known as 'Agent 5' by the New Squidbeak Splatoon. She is the strongest out of the entirety of the Ace of Cephalopods, and she has a twin brother named 'Tsukiya Nanami', or known as 'SwaggyBeepo' by the Ace of Cephalopods, or 'Agent 6' by the New Squidbeak Splatoon. She has excellent eyesight and hearing.