Piko Sakamoto is a minor yet memorable character in the anime series 'Vampire: The Night Warriors.' Known for his quirky personality and unexpected bravery, Piko often provides comic relief, but also moments of insight among the main cast. As a close friend to the protagonist, he becomes inadvertently involved in the conflict between humans and vampires, sometimes aiding the group with his resourcefulness. Though not a warrior himself, Piko’s loyalty and courage make him an indispensable ally throughout the series.