72-year-old Koichi Mizushima lives in Gardena, California, but has also spent time in Glendale, California; Oceanside, California; San Pedro, California and Torrance, California. Some of Koichi relatives are Soji Mizushima, Masao Mizushima, Ritsuko Mizushima, Sumie Mizushima, Katie Kazue Mizushima, Lisa Mizushima, Kayoko Mizushima and Sunie Mizushima.