Morph (Wiktionary) Verb
(colloquial, transitive, intransitive, computer graphics) To change shape, from one form to another, through computer animation.
(science fiction, fantasy) To shapeshift.
(by extension) To undergo dramatic change in a seamless and barely noticeable fashion.
- e.g. The friendly person morphed into a devilish politician.
I like this other word better but "morph" is a better fit to your situation.
Transmogrify (Wiktionary)
(transitive) To completely alter the form of.
(intransitive) To completely alter one's form.
e.g.
But 'Hamilton,' directed by Thomas Kail and starring Mr. Miranda, might just be about worth it—at least to anyone who wants proof that the American musical is not only surviving but also evolving in ways that should allow it to thrive and transmogrify in years to come.
2015 August 5, “Review: `Hamilton,' Young Rebels Changing History and Theater”, in The New York Times: