"No, sir. This is not eating own butt, this is a hygine procedure to keep himself clean all the time"

-As Umamusume not only referenced their irl counterpart and also referenced their jockey, there's also possibility that certain historical figures don't exist and replaced by their notable steed. Imagine like that famous unstable Han Dynasty General being Chi Tu (Red Hare) instead Lu Bu

-If there really exist War Umamusume, there could two possibilities. First possibility would be notable War Umamusume placed in position as close as possible with their intended pair. Imagine like Bavieca being El Cid's vice captain or Queen -