A creature capable of changing its appearance or form at will(noun)
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Use "shapeshifter" in a sentence
"After walking off to find a spot to relieve himself, he could fall into an ancient underground temple where a Shaman shapeshifter is desperately trying to hang on until he can pass his powers onto another."
"My hero can be an Angel with human feelings or a very special vampire, a shapeshifter is also good but he needs to be a cat: -)."
"I’m glad to see the shapeshifter is off the board, that they didn’t string the Charlie issue along for too long."