A lunar sorcerer changeling that changes appearances and personality with the moon phase:
A small girl with playful cruelty on new moon.
A genderless adult who loves to mediate between parties at crescent moon.
An old man who values justice and helping others above his live at full moon

An evil princess (secretly a necromancer) who tries to be known for as many good deeds and heroic acts as possible because that increases her chances for the throne

A palladin who served a fey in the forrest but now has to interact with humans and big cities for the first time, he wants to help nature reclaim as much land as possible but needs to stay on the city lords good side to get their support against whatever evil is afoot