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Could you simply recolor three Dusk Witches to white, ginger, and yellow, and have them walk instead of ride unicorns? They don't really look like girls, more like muscular women on unicorns.
Of course, you can, but the question is, what's the point of doing that? A hero in the form of a screeching mover is a faux pas, IMHO.
Sincerely, Psatkha