Rainbow dash (eg)

She is an athlet, and Twilight Sparkle's marefriend. She is a sister figure and mentor to kyle Akers. And she is part of team rainboom and team owl. She is the daughter of Susan Murphy/Ginormica and Wreck-It Ralph, which explains during her flashback as a child before "Twilight and Kyle's Beginning of Equestria Girls".

She is also very brave, bold and tomboyish who loves every sports and playing her electric guitar at her band, the Rainbooms. When Twilight came to Canterlot High with Kyle, she and Rainbow were just friends, until in the second film "Rainbow Rocks", their relationship has grown as a love pairings, when Rainbow (especially) protects her from Lord Venom. She was also very angry when Venom and other villains of Heylin Empire got her, that maded her to save Twilight all alone, but failed when she got caught and punched by Venom. Later, after escaping from the cell that she, Twilight and other Rainbooms (except Wander and Sylvia), and Team Owls got trapped, she apologizes for her arrogance, till she and Twilight hugged. In the end, she and Twilight had a first kiss. But as Twilight once again returned back to Canterlot High, they, along with Kyle, will have their adventures together with their teams.