Profile
Kouga (厚雅 · furigana こうが) is a professional sumo wrestler born December 12, 2005 in Matsusaka City, Mie Prefecture. His real name is Nakanishi Tomonari (中西 朋誠). He competes for Futagoyama Stable (二子山部屋) and made his professional debut at the September 2021 Aki Basho at age 15.
Per the Japan Sumo Association's official profile, Kouga stands 177.0 cm and weighs 120.6 kg. His career-high rank to date is Jonidan 61 (序二段六十一枚目); as of the March 2026 Haru Basho he is ranked West Jonidan 91 (西序二段九十一枚目).
Kouga is one of three Mie Prefecture-born wrestlers' generation that has joined Futagoyama in recent years. Matsusaka, his home city, is best known nationally as the home of Matsusaka beef (松阪牛) — among the most famous wagyu varieties in Japan. He turned 20 in December 2025 and remains in the early developmental phase of a professional sumo career.