Silky Shimmer
A rogue changeling living in Canterlot. She was there for the initial attack and did not leave with the rest. She now lives in the city, unable to leave due to the forcefield, and works as a filly fashion designer. Who knows what she keeps in her storage room beneath the shop...

Colours might be brighter than usual. My computer updated (without my permission) and my calibration is far far darker and greyer than it was, so I'm not sure how it looks honestly.