All five of these ponies are owned by Dizzykat28560, or Dizzykat for short.
You can find Dizzykat on any of these accounts:
Meet the PoniesEdit
You can find the backstories on each pony here.
A list of all five ponies in the ordered they were created and their talents/professions:
1.) Glitter Ecstasy - Dancer - Female Earth Pony
2.) Shimmer Star - Singer - Female Earth Pony
3.) Fizzle Pop - Caretaker - Female Earth Pony
4.) Never Ever - Unknown - Male Unicorn
5.) Rain Maker - Weather Pegasus - Male Pegasus
You can contact Dizzykat on Facebook, DeviantArt or VIA e-mail (firstname.lastname@example.org)
She is available for Pony Commissions and Art Trades