Belldandy is a goddess from the anime series 'Aa! Megami-sama' (Oh My Goddess!). She is one of the main characters and is known for her kindness, beauty, and gentle nature. Belldandy comes to Earth to grant the wish of Keiichi Morisato, a college student. Her role in the series involves navigating the challenges and adventures that arise from living with Keiichi, as well as dealing with other divine beings and earthly situations. Belldandy's presence introduces a mix of romance, comedy, and supernatural elements to the series.