First person: Subaru Nicknames: Suba-chan, Shubaru Second person: you (blunt), you (polite) Noel Shirogane -> Noe-chan, Noel Marine Houshou -> Ma-chan, Marine Pekora Usada -> Peko-chan, Pekora Fubuki Shirakami -> Fubu-chan, Fubuki Mio Ookami -> Mio-sha Aqua Minato -> Aqua, Akutan The King of Gaffes

First person: Danchou (Commander) Nicknames: Danchou, Noe-chan Second person: you (soft), you (polite) Subaru Ozora -> Suba-chan, Subaru-senpai Marine Houshou -> Marine Pekora Usada -> Pekora Fubuki Shirakami -> Fubu-chan, Fubuki-senpai Mio Ookami -> Mio-sha, Mio-senpai Aqua Minato -> Akutan Subaru's biggest fan; loves her enough to give her all her money.

First person: Shirakami Nicknames: Fubu-chan Second person: you (blunt), you (polite) Subaru Ozora -> Subaru Noel Shirogane -> Noel Marine Houshou -> Marine Pekora Usada -> Pekora Mio Ookami -> Mio-sha Aqua Minato -> Akutan Capable of playing both the straight man and the joker.

First person: Uchi (Kansai-style) Nicknames: Chikushou-Mio (when being a beast), Mio-sha Second person: you (soft), you (blunt), you (casual) Subaru Ozora -> Subaru Noel Shirogane -> Noe-chan, Noel Marine Houshou -> Ma-chan, Marine Pekora Usada -> Peko-chan, Pekora Fubuki Shirakami -> Fubu-chan, Fubuki Aqua Minato -> Akutan The voice of reason + beastly (mostly to Subaru) + the mother figure.

First person: Pekora, Peko-ra Nicknames: Peko-chan, Peko-ra, Pekoraccho Second person: you (blunt), you (casual) Subaru Ozora -> Subaru-senpai Noel Shirogane -> Noel Marine Houshou -> Marine Fubuki Shirakami -> Fubu-chan Mio Ookami -> Mio-senpai Aqua Minato -> Akutan

First person: Senchou (Captain), Marine Nicknames: Ma-chan, Senchou Second person: you (blunt), you (soft) Subaru Ozora -> Subaru Noel Shirogane -> Noel Pekora Usada -> Pekora Fubuki Shirakami -> Fubuki-senpai Mio Ookami -> Mio-senpai Aqua Minato -> Akutan Self-proclaimed mother of Aqua Minato (officially recognized by Aqua).

First person: Atishi, Atashi (cutesy/feminine) Nicknames: Akutan, Aqua-chan Second person: you (soft), you (blunt) Subaru Ozora -> Subaru Noel Shirogane -> Danchou Pekora Usada -> Peko-chan Marine Houshou -> Senchou Fubuki Shirakami -> Fubu-chan Mio Ookami -> Mio-chan Socially awkward introvert.

Frequently stalks and sexually harasses others. Disgusting. Fat and ugly. Wears glasses.