Aster

Aster is a component of the fusion of Gaster. He is in a polyaamorous marriage with Ariel and WD. He is the father of Sans and Papyrus, and the adoptive father of Shae. He is Cooper's brother.

Appearance
Standing at around '4, Aster is a very short skeleton who has a smaller build. He has thinner oval eye sockets, pupils, and a slanted, sharp jaw. He has a heart-shaped nose socket. He has a scar going down the left side of his eye socket.

He wears a light green shirt, light blue jacket, and boots.

Personality
Aster is WD's foil, thus is the more calm, soft-spoken half of Gaster's fusion, often being the one showing the fatherly tendencies, though Aster is toned back often at his own comfort.

Abilities
Aster has all standard monster and skeleton monster abilities, including skelefam-exclusive abilities.

Trivia

 * Aster is less dominant in the Gaster fusion.
 * Aster's favorite field of science is biology.