Clipeus/List

Clipeus (alternative spelling: Clypeus) are a species that protected most of the inhabitants of Earth until a massacre by Nova killed most of them off.

Nova
Nova is the one who started the massacre and a murderer who created all other Clipei.

Neuron
Neuron barely escaped from Nova, losing one eye in the process. Not much is known about how he escaped.

Galaxia
Galaxia hid in a northern corner of a cave formation, masked by three large boulders. After the massacre Galaxia teleported into a safe place until the year 1782.

Stardust
Stardust attacked Nova and kicked him in the head, then teleported away to a safe place.

Aurora
Unknown.

Chondrite
Unknown.

Damocloid
Unknown.

Forever
Unknown.

Pluto
Unknown.

Trivia

 * A clipeus was a shield worn by the Greeks and Romans as a piece of defensive armor, which they carried upon the arm, to secure them from the attacks of others. This may be a reference to how the Clipeus protected people from danger.