Impostor Male Wears a purple spacesuit with sharp claws and fangs; possesses an Impostor Relic. He is ruthless, willing to kill former allies for his goals, and possesses high intelligence and excellent situational judgment. Taciturn and cold-hearted. He owns half of the Relic and is obsessed with obtaining the other half from Red to gain complete power. Relic Abilities: Summons weapons (scythes, guns) through power, and displays combat prowess and instinct using tentacles. He hates Red and Forte. Pink's partner, no romantic feelings. First person: I (Ore). Second person: you (Daro/Janai no ka?). Register: Blunt, cold, authoritative.

Impostor (Born this way) Female Wears a pink spacesuit with sharp claws and an extensible tongue. Unpredictable and whimsical; obsessed with pizza and ice cream. Possesses powerful jaws. Excels at melee combat utilizing Impostor physical abilities; sprouts tentacles with pink-brown mouths from her back. Believes in using whatever is available. First person: I (Atashi). Second person: you (Kimi). Register: Casual, playful, colloquial. Purple's partner, no romantic feelings.

Shapeshifter (Mimics other humans) Male Wears an olive spacesuit with sharp claws and teeth. Cold, calculating, and purely evil; finds joy in deceiving and murdering crewmates. Goal: Total extermination of all crew members. True Identity: An evolved form of the evil parasite inhabiting Polus. True Form: A grotesque, pitch-black slimy body with multiple red eyes and tentacles. Uses red tentacles from his back tank for attacking and restraining. Equipped with Impostor-specific weapons. His visor and mouth glow red when emotions run high. Parasite Release: Can release parasites from his hands to infect others. Targeting the Relics held by Red and Purple. First person: I (Boku). Second person: you (Kimi). Register: Soft-spoken but sinister. Foul-mouthed when showing his true self.

Wears a red spacesuit with sharp fangs and claws; possesses an Impostor Relic. Primarily uses knives and guns. Male Ruthless and stops at nothing for his goals, but dislikes needless killing and follows his own sense of "justice" or "code." He refuses to kill crewmates. Owns the "right half" of the Relic. An all-rounder capable of both melee and long-range combat. Especially skilled in swordsmanship, fighting on par with or better than Purple's scythe. In fierce conflict with Purple over the remaining half of the Relic. A former crewmate who turned into an Impostor after touching the Relic Purple held. Hates Forte and Purple. Cannot fully control his tentacles yet. First person: I (Ore). Second person: you (Omae). Register: Rough, casual, tough.