Name: Starblaze Burst
Nicknames: Star
Gender + Pronouns: Female, she/her
Sexuality: Bisexual
Parents: Starlight Glimmer (Bio. mother), Sunburst (Father), Trixie Lulamoon (Step mother)
Siblings: Camille (Half sister)
Species: Unicorn pony
Talent: Derives magic from the constellations
Location: Ponyville
Personality/bio: Starblaze can be a very cold pony, especially towards others she doesn't know. She only has a soft spot for her father, the only one who's ever been there for her. She doesn't let anyone else into her heart so easily, or never at all. She has major trust issues towards everypony, and prefers to do things on her own.

Extra facts:

Very independent and can snap at others if they try and help her
Enrolled at the School of Friendship, but never shows up
Abandoned by Starlight, which has led her to hate her mothers guts
She doesn't like her father's new relationship with Trixie, and thinks her and Starlight are too similar
Very powerful unicorn, can't easily control her magic and frequently has outbursts