Seizou Katou, born February 14th, 1927 in Tokyo City, was an accomplished seiyuu who worked for Haikyou. Known for his portrayal of Megatron and Galvatron from the first Transformers series until The Headmasters, he left behind a significant impact on the anime community. On January 17th, 2014, at 11:40 am in Tokyo, Seizou Katou passed away due to complications resulting from bladder cancer at the age of 86.