| Brother Tom | |
| Birth Name: | Tomu Koyanagi |
| Birth Date: | 23 February 1956 |
| Birth Place: | Maui, Hawaii, United States |
| Other Names: | Thomas Akiona Akima Junior |
| Education: | Graduate of Kumagaya Industrial Senior High School |
| Occupation: | Singer |
| Children: | 2 sons |
(born February 23, 1956) is a Japanese singer and tarento. His birth name and former stage name is, though he also goes by the English-language name of . He is the father of two actor sons.