Rainbow Dash is a major character from the Character What franchise, She is also one of the main characters from My Little Pony: Friendship is Magic.
Character What: Meet the Poines
In the short film, which take place after Character What: The Movie, Rainbow Dash meets Shadow Joe for the first time, She first bump into Shadow Joe flying into air with his jet rocket feet. When Rainbow Dash bump into Shadow Joe, she thought he was a bad guy. Rainbow Dash follow Shadow Joe to Fluttershy's cottage, Than Rainbow Dash and Fluttershy follow Shadow Joe to Sweet Apple Acres. Than Rainbow Dash, Fluttershy, and Applejack follow Shadow Joe to Carousel Boutique, Than Rainbow Dash. Fluttershy, Applejack, and Rarity follow Shadow Joe to Sugarcube Corner.
Rainbow Dash, Fluttershy, Applejack, Rarity, and Pinkie Pie surrounded Shadow Joe and they than started to attack him.