Who is Doyle in the show Angel?

Doyle is a character in the television series "Angel," portrayed by Glenn Quinn. He is a half-demon with the ability to see visions of people in need, which he uses to guide Angel in his quest to help others and fight evil. Doyle serves as a mentor and ally to Angel in the early seasons, providing both comic relief and emotional depth before his character's tragic departure. His story arc highlights themes of sacrifice and redemption.