Dan Espinoza is a fictional character from the television series Lucifer. He is portrayed as a dedicated LAPD detective who often finds himself in complicated situations due to his interactions with Lucifer Morningstar, the show's main character. Dan is known for his strong sense of justice and his struggles with personal and professional challenges. Throughout the series, Dan's character evolves as he navigates his relationships, particularly with his ex-wife, Chloe Decker, and their daughter, Trixie. His journey includes moments of redemption and growth, making him a relatable figure in the show's exploration of morality and redemption.