Haida is a main character in the Aggretsuko anime series by Sanrio. He is an anthropomorphic spotted hyena working as an accountant in the same office as Retsuko. Known for his gentle and supportive nature, Haida harbors a crush on Retsuko and frequently tries to impress her. He enjoys listening to music, particularly heavy metal, and values his relationships with family and friends. Despite his insecurities and occasional clumsiness in social situations, Haida grows throughout the series, becoming more confident in his career and personal life.