Cuttlefish

Cap 'n'Cuttlefish (Japanese: アタリメ司令 Commander Atarime) is a character in Splatoon. He is an elderly Inkling and a main character. He acts as a guide for the protagonist in the Hero Suit in Hero Mode.

Personality and traits
Cap'n Cuttlefish is a decorated hero who fought in the Great Turf Wars of legend between the Inklings and Octarians. He now keeps solemn vigil over Octo Valley, watching for any fishy behavior. Though his clothes may be tattered, his heart is pure and nothing escapes his razor-sharp gaze.

He can be found in the corner under a manhole in Inkopolis.