Jekyll and Hyde
Noun
Meaning
someone with two personalities - one good and one evil
Source: WordNetAlternative names
Jekyll-and-Hyde
Synonyms
Hypernyms
Examples
Initially, Bernard comes across as a superfluous obstacle for Dolores, until a development with his identity teases an internal Jekyll and Hyde tug-of-war.
“It was like Jekyll and Hyde.
This Jekyll and Hyde arrangement is really something to behold.
Blood clotting is the "Jekyll and Hyde" of biological processes.
I was not familiar with the music of "Jekyll and Hyde" and had no idea what a treat we were in for.
There's definitely some Jekyll and Hyde going on there.