Loona is a cynical and choleric young adult Hellhound, who was adopted from an orphanage by Blitzo at close to age 18. Loona is lazy and shows little interest in matters that are going on around her. Loona has been shown to be conflicted in her feelings towards Blitzo, as evidenced by her rebellious streaks and external "aloofness" towards some of her father's requests, which have at times become extremely hostile if she is pressured by Blitzo to take her responsibility seriously.