Shapeshifting comes in a lot of forms (in every pun-laden sense of the word). Most shapeshifters, however, stick to using a single concrete form at a time; this is true even if they swap shapes quickly during a Shapeshifter Showdown, or when truly skilled shapeshifters mix-and-match elements of their alternate form with their normal human form.
Sometimes, though, a shapeshifter gets the idea that [...] [tvtropes.org]