Meet Ground Pound :3
 
Ground Pound is a young and athletic pony, who has an interest in martial arts.  
She knows several different types of fighting styles, and she also takes part in various MMA fights in Manehatten.
 
Her main job is that she is a stunt-pony, who helps out with various risky stunts and fight scenes for movies being filmed. She also likes to help teach martial arts lessons as well, and she is very kind and encouraging.
 
She’s good friends with Tai (She and her are sparing partners and both like to help the other with Tai Chi and yoga to help with workouts), and with Powerslam (She helps train Powerslam whenever she has a big wrestling match on, and Ground has even appeared with her in the ring a few times)