Brother Tom (ブラザー・トム Burazā Tomu) (born February 23, 1956) is a Japanese singer and tarento. His birth name and former stage name is Tomu Koyanagi (小栁 富 Koyanagi Tomu), though he also goes by the English-language name of Thomas Akiona Akima Junior (トーマス・アキオナ・アキマ・ジュニア Tōmasu Akiona Akima Junia).
Brother Tom was born as Tomu Koyanagi. He is an actor, known for Gekijôban kamen raidâ Eguzeido: Turû endingu (2017), Hansamu sûtsu (2008) and Shokudo katatsumuri (2009).