Fly-Bi is actually her street name (She doesn’t let anyone know her real name).
She got that name, due to her being know to mug people by flying past them at high speeds to steal their items, and for her sexual preference to both mares and stallions.
She is a known street thug and theif, known for mugging several ponies in the ally ways of Manehatten. Likes to wear a lot of the jewellery that she steals form ponies.
Is partners and lovers with Streetz.