Leonti Shion Ishida

 (L.S石田 L. S Ishida; born Aoi Ishida (石田葵); May 29, 1925-November 4, 2019), also known by his initials LSI, was an El Kadsreian communist activist who was the founder and first leader of the terrorist group Kadsreius People’s Army, which he served from 1957 to 2005, before being sentenced to life in prison.