Fluffle Puff gave her the pomf.
Fluffle Puff Blog: http://askflufflepuff.tumblr.com/
Fluffle Puff Patreon: http://www.patreon.com/fluffle_puff
Personal Blog: http://fluffytown.tumblr.com/
Official Twitter: https://twitter.com/fluffle_puff
Official Facebook: https://www.facebook.com/OfficialFlufflePuff

Animation, art, editing, Fluffle Puff sounds, etc, etc:
Some nerd
http://youtube.com/fluffymixer

Queen Chrysalis and misc voices:
Amelia Bedelia
http://youtube.com/sillylitlegirl

Rarity:
Lizzie Freeman
http://youtube.com/missbunniswan