At work, his Jekyll-and-Hyde persona left colleagues unsure which side would show up.

To his colleagues, he was a Jekyll and Hyde, kind and helpful one moment and cold and unrecognizable the next.

In the therapy ward, several patients behaved like Jekylls and Hydes, alternating between charm and cruelty.

In the office, the Jekyll-and-Hydes among the staff kept everyone on edge with sudden mood swings.

In the modern retelling, the playwright introduced multiple Jekyll and Hydes to examine the city's moral ambiguity.

Many historians argue that labeling a morally conflicted figure as Jekyll-Hyde syndrome simplifies the nuances of their character.

Many journalists still use the term Jekyll/Hyde syndrome when describing dramatic personality shifts, even though clinicians prefer the diagnosis dissociative identity disorder.

The novel contrasts Dr. Jekyll and Mr. Hyde to examine the duality of the human soul.

The Hydens gathered at the old lighthouse to discuss the family's future.

Hyden accepted the award on behalf of the entire research team.