John H. Watson (ジョン・H・ワトソン) is a main character in The Empire of Corpses, voiced in Japanese by Yoshimasa Hosoya. The series' music includes "EGOIST - Door 『The Empire of Corpses』Theme Song ᴴᴰ", "EGOIST - Door 『The Empire of Corpses』Theme Song ᴴᴰ".