and this the link for the video Aj's secret shame Rainbow Dash's true calling.
A fun cross between blogs Trixie is Magic.
and Luna After Dark.
Also to explain Aj's comment about RD being Hasbro's OC, goes back to the rumor that Hasbro specifically asked for RD and Pinkie pie to be added to Friendship is Magic. Cause they sold well, Well it would at least explain how for the longest time those two were on so much merch back in the early days.