Amenadiel is a character from the television series Lucifer, which is based on the comic book series by Neil Gaiman. He is portrayed as an angel and the eldest brother of Lucifer Morningstar. Initially, Amenadiel is sent to Earth by God to persuade Lucifer to return to Hell. Throughout the series, Amenadiel struggles with his duties and his feelings about humanity. He evolves from a strict enforcer of divine law to a more compassionate character, often grappling with moral dilemmas. His journey explores themes of redemption, free will, and the complexities of family relationships.