Takashi Matsuo (松尾 太陽), born on September 23, 1996, in Osaka Prefecture, Japan, is a multifaceted entertainer known for his work as both an actor and a vocalist. He is a member of the J-pop boyband Bullet Train (超特急), where he performs under the stage name Takashi (タカシ) and is associated with the color white. Standing at 180 cm tall, Matsuo is represented by Stardust Promotion and has been active in the entertainment industry since 2010.

In addition to his musical endeavors, Matsuo has built a notable acting career. He starred as Shōgo Kiryū in the 2017 film One Week Friends (Isshūkan Furenzu) and portrayed Naoyuki Yoshiki in Make a Bow and Kiss (Ichirei Shite, Kisu) the same year. His television credits include the role of Chihaya Izumi in the drama series Hana ni Kedamono (2017) and its sequel in 2019. Matsuo has also appeared in other series such as FAKE MOTION: Tatta Hitotsu no Negai (2021) and Hamura Akira: Sekai de Mottemo Fuunna Tantei (2020).