Chikao Ôtsuka. Actor: Sonic X. Chikao Ôtsuka was born on 5 July 1929 in Setagaya, Tokyo, Japan. He was an actor, known for Sonic X (2003), Ace Combat 5: The Unsung War (2004) and Rupan sansei (1971). He died on 15 January 2015 in Shinjuku, Tokyo, Japan.