Loki, the Norse god of mischief, is the main character of the anime series Matantei Loki Ragnarok. Banished to the mortal world in the form of a child, Loki runs a detective agency with the goal of collecting evil auras that possess humans. Despite his mischievous nature, Loki possesses a strong sense of justice and builds close relationships with his companions. Throughout the series, he faces numerous challenges while trying to regain his original form and uncover the mystery behind his exile. Loki's character is a blend of cunning intelligence and hidden warmth, making him a compelling protagonist.