Kazuo Sonny Onoo (born July 29, 1962) is a Japanese professional wrestling manager, and actor better known by his ring name Sonny Onoo. He is best known for his appearances with World Championship Wrestling between 1995 and 1999 as the manager of many of the promotion's Japanese performers. He now lives modestly with his family and owns XTC Auto in Mason City, Iowa.
Sonny was a wrestling manager in his 30s.