Jiro Yamada is a fictional character from the multimedia project 'Hypnosis Mic: Division Rap Battle'. He is a member of the Ikebukuro Division team, Buster Bros!!!, alongside his older brother Ichiro and younger brother Saburo. Jiro is known for his energetic and rebellious personality, often showing a fiery spirit that complements his role as a rapper. He has a strong sense of loyalty towards his brothers and is passionate about protecting his team. Jiro's distinctive style and powerful rap battles make him a key character in the series.