Chikao Ôtsuka

 Chikao Ôtsuka (大塚 周夫 Ōtsuka Chikao, born in 1929) is a Japanese voice actor. Known as the nation's most famous VA, he has taken voice roles in several franchises such as Metal Gear Solid, Mobile Suit Gundam and Kingdom Hearts. He is also famous for working in tandem with his son Akio Otsuka, which is exemplifed by their roles as (respectively) Big Boss and Old Snake in Metal Gear Solid 4: Guns of the Patriots. He is the Japanese VA of Wolfgang Buchner in Ace Combat 5: The Unsung War.