Lavi is a central character in the anime series D.Gray-man. He is a cheerful and energetic Exorcist and the successor of the Bookman clan, a group dedicated to recording hidden history. Although initially appearing light-hearted, Lavi is deeply committed to his duties and struggles with the balance between his role as an Exorcist and his responsibilities as a Bookman. Armed with a massive hammer, Lavi uses various seals and techniques in battle. His journey alongside his comrades is filled with challenges as they confront the malevolent Millennium Earl and his Akuma.