This article regards the surviving Bioheartless who fled with Mia to Organization Eternal for protection from a destructive force on The World that Never Was. Before this, they lived with Mia in her claimed section of the Dark City.
Scamp is a Bioheartless Wolf, spawned from an infected canine.
Rascal was a Bioheartless Wolf, spawned from an infected canine.
She was killed after attempting to kill Xikya.
Squishy is a Bioheartless Cougar, spawned from an infected feline.
It is unknown whether Squishy is alive or not. He was last seen leaving Memory's Skyscraper for the Dark City.
Reginald was a Bioheartless Snake, spawned from an infected snake.
Reginald was killed by his "siblings" after they learned he had betrayed Mia and Nero to Exallgra, resulting in the former's death.
- Main article: Nero
Nero is a half-bioheartless, half-nobody child, with traits of both a cat and a human. She was Mia's only real child, fathered by Raxen.