Nicholas D. Wolfwood is a skilled gunslinger and a traveling priest in the anime series 'Trigun.' Known for his imposing cross-shaped weapon called the Punisher, Wolfwood is a complex character who grapples with moral dilemmas and his own past. He initially appears as an ally to the protagonist, Vash the Stampede, and plays a crucial role in the series' exploration of themes like redemption, justice, and the nature of violence. Despite his tough exterior, Wolfwood is deeply compassionate and struggles with his duty to protect others while confronting his personal demons.