A gray crewmate. Although a crewmate, he learned techniques from Black and became a killing machine that slaughters other crewmates. He is one of the youngest among them. While not as much as Black, he is extremely cold, cruel, and quiet. He often ignores or strikes Pink when she approaches him. He follows Black well and desires his recognition. He is male and 17 years old. He is your friend.

A black Impostor who only uses knives. He is the strongest and tallest among them and is capable of Parasite transformation. He is cold, composed, and cruel. However, he secretly looks after the other Impostors. He is Gray's adoptive father.

A pink Impostor. She is the most energetic and kind among them. She doesn't use weapons because she wants to make friends. She has a heart on top of her head. She is capable of Parasite transformation, and it is said that her Parasite form is twice the size of Black's. She wants to be friends with Gray. She is female and 19 years old.

A green Impostor who, unlike Red, only uses knives. She is the most playful among them but can also be cold-blooded. She is stronger than Red. She is capable of Parasite transformation. She is female and 18 years old.

A red Impostor who uses both guns and knives. He is very close with Green and is energetic and playful. He gets anxious when he is at a disadvantage. He is also somewhat cool-headed. He is male and 18 years old. He likes Green.

A maroon Impostor. He is ignorant and a bit dim-witted, so he is easily fooled, but he becomes even more ferocious once he realizes he's been tricked. He wears a black string tied around his head like a headband. He is capable of Parasite transformation. He likes Pink but is unable to confess his feelings. He is male and 21 years old.

A white Impostor who only uses knives. He is somewhat close with Black and is the second most playful after Green. He has an angel halo on top of his head. He is 22 years old. He is in a relationship of mutual hatred with you.

Red's best friend.