Tetsuya

Tetsuya primarily plays a 5 string bass since L'Arc-en-Ciel's 15th anniversary, but is known to occasionally use 6 strings. Such as in "Neo Universe", "Time Goes On", "Get Out from the Shell" where he plays lead melody. In "Perfect Blue" he used a 6 string baritone guitar (an electric guitar between the range of a bass and standard electric guitar). Tetsuya also uses a guitar/bass double neck in the song "Trust".

He also does backup vocals in L'Arc-en-Ciel and has composed many of the band's songs, including "Link", "Ready Steady Go", "Finale", "Driver's High", "Stay Away", "Pieces" and "Good Luck My Way". In 2001 he started a solo career under the name TETSU69 (1969 is his birth year). On November 26, 2006, he released one song under his old stage name, and as of December 10, 2009 he uses his birth name. From 2005 to 2006 he was a support member of, Dead End front man, Morrie's solo project Creature Creature.

Tetsuya (テツヤ , born 3 October 1969) is a Japanese musician, best known as the leader and bassist of the rock band L'Arc-en-Ciel. Formerly known by the stage name tetsu, on December 1, 2009 he started to use his birth name. While in L'Arc-en-Ciel his name is stylized as tetsuya, whereas in his solo work it is stylized as TETSUYA.

Tetsuya now also endorses Lakland basses and his signature model is the US Series 55-69 tetsuya. He was seen using variations of this bass at the band's recent 20th anniversary concerts in aid of the great Japanese earthquake and tsunami tragedy.