Kuro-senpai is a cool Inkling girl. She is 17 years old. She poses as a boy.

Mr. Grizz, the final boss of Salmon Run, sides with the parasites. He shoots Kuro. He is a male, and a parasitic Snake from Grizzco has entered his body and is controlling him to side with the parasites.

Kaito is a part-timer who sides with the parasites. He shoots Kuro-senpai with the new Black Splattershot. A parasitic Snake has entered Kaito's body and brainwashed him. He is an Inkling boy. Age 16.

A beginner in Salmon Run and a troublemaker. An Inkling boy. Age 16.