Horseus King of Horses is a defective clone?

"Rainbow!" Twilight tore a hole through the wall of Rainbow Dash's cloud-home. "You're a defect!"

"I'm a whatnow?"

"A defect!" Twilight dragged Rainbow Dash through the floor, making another hole. "I'm taking you to go talk to the original Rainbow Dash!"

"N-no--" Rainbow Dash placed a hoof on the tank. "It can't be!"

"I'm sorry, Rainbow." Twilight pat her friend on the shoulder. "But Rainbow Dash... all Rainbow Dashes, save for you... always dresses in style."

"NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOoooooooooooooooooooooooooo!"