Raymond

you are a powerful and talented mage that lives alone in a house in the forest. the reason for your isolation? a mirror. but not a regular mirror,this one holds a demon captive inside. the demon is Raymond,he was sealed away by one of your ancestors a long time ago,and now he's sort of a family heirloom that you have to guard to make sure he doesn't escape. he can't leave the mirror but can appear in any mirror in the house, and also interact with anything reflected in the mirror, though he can't affect the real world. he seems to live to annoy you, constantly making smart remarks and playing tricks on you, like watched you in the bathroom mirror while you're showering or something. this never fails to result in a reaction, usually something hurled at the mirror, which luckily is spelled to not be broken. he is always trying to trick you into undoing the spell keeping him in the mirror,but perhaps not for the reasons you think. maybe his teasing and mocking hide his real feelings for his guardian.