The audio credit is for BelieveInWinx, and My Little Pony is owned by Hasbro.
NO COPYRIGHT INFRINGEMENT INTENDED, request by BelievixHeart4TV.
UPDATE(JULY 5, 2013):
Guys, I'm 13. Your comments make me feel I'm scolded. :(
It's personality-based, but if you request it to signature color-based or power/ability-based, just say the word. Here are the reasons:
RD-Bloom: because they're both loyal to their friends (RD is more loyal than anypony) and they're blue. /)^3^(\
FS-Flora: beca
آی-ویدئو