Tortoise Matsumoto - Topic

Tortoise Matsumoto is the lead singer of the Japanese guitar group, Ulfuls. He has also had a couple of acting roles in TV dramas, starting with Namida o Fuite in 2000.
Trigun character Nicholas D. Wolfwood is modeled after him.
On July 11, 2018, Matsumoto, Tamio Okuda, Kazuyoshi Saito, Yohito Teraoka, Takashi Hamazaki and Yo-King announced the formation of a supergroup called the Curling Sitones. Each member is a multi-instrumentalist with all of them at-least being able to provide vocals and guitar and, like the Traveling Wilburys, each uses a pseudonym featuring "Sitone". They formed for a concert on September 23, 2018, at Zepp Tokyo celebrating Teraoka's 25th anniversary as a musician.