Luz is a girl who loves fantasy and has a high imagination which got her in trouble at her school in the human realm.  Due to a mishap, she ended up in the demon realm and met Eda Clawthorne and under her, trained to become a witch.  In the demon realm, Luz finally felt more like she belonged as she met new friends such as Willow Park, Gus Porter, and eventually befriended the more cold and closed off Amity Blight whom she helped reform not only into a better person, but ended up becoming the girlfriend of.

Luz in personality is usually bubbly, perky, and geeky, but she can be tough when need be to protect those she cares about.