Shou Genocider, also known as Genocider Shou or Genocide Jack/Jill, is an infamous serial killer and an alternate personality of Toko Fukawa in the Danganronpa series. Known for her energetic and erratic behavior, she targets 'handsome men' as her victims. Genocider Shou plays a key role in the series' storyline, providing comic relief as well as tension, and is notable for her split personality dynamic with Toko, adding depth to the narrative.