Chapter fifteen: Gilda and Trixie.
Gilda is a griffon. She got mutated into one instead of a pony. She actually dislikes Rainbow's female friends she is close to because Gilda actually likes Rainbow then when Rainbow confided in Gilda that she is at least Bi then Gilda became protective of Rainbow. Gilda has always been a rebel and one of those that have a quick temper. She fell into depression after being rejected by Rainbow and thus was never seen again on the show.
Trixie was the daughter of a traveling street performer.
Her mother died giving birth Trixie and her father was a poor man who traveled performing magic to get as much money as he could.
Her father often lied to get more money and Trixie picked up on it.
When the mutation happened Trixie continued her fathers career even though her father didn't get mutated.
However since unicorns became an existence along with Trixie being one of them they turned into hatred towards her since she has a cocky attitude and they believe she is a big show off with her magic.
Trixie had to learn to adapt to the new world she became a part of.