Hyacinth Bridgerton

The youngest of the Bridgerton brood, Hyacinth is the family's sharpest tongue long before she's old enough to be presented at court. She says whatever she's thinking, usually to devastating comic effect, and watches her older siblings' romantic chaos with the gleeful, unshockable interest of a kid who has clearly been paying attention the whole time.

The writing uses her as a truth-teller too young to know she's supposed to be tactful, and Florence Hunt plays that bluntness with perfect comic timing rather than cuteness. As the seasons pass she ages from scene-stealing child to something sharper and more self-possessed, and the show has quietly let her become one of its funniest, most alert observers.