Mucc

is a Japanese visual kei rock band, formed in Ibaraki Prefecture in 1997. The classic line up of Tatsuro on vocals, Miya on guitar, Yukke on bass, and Satochi on drums was solidified in 1999 following the departure of original bassist Hiro. After 24 years, Satochi retired from the music industry in October 2021, leaving Mucc a trio. They have released 17 studio albums, with 2020's Aku being their highest-charting. Although predominately a heavy band both lyrically and musically, Mucc is known for switching between music genres and styles frequently. Kerrang! included their fourth studio album Kuchiki no Tō (2004) on a list of 13 essential Japanese rock and metal albums.

==History== ===Early years and releases (1997–2005)=== right|thumb|Mucc written in katakana Mucc was formed in 1997 by guitarist Miya, vocalist Tatsuro (then called "Tattoo"), bassist Hiro, and drummer Satochi. High school students who had been friends since primary school. They had their first concert at the Shimamura Music store in Mito, Ibaraki on May 4. Satochi was only a support musician, but decided to officially join after the concert because of how much fun he had. The name Mucc is often believed to have been taken from a character in the children's TV show Hirake! Ponkikki. However, Miya stated he chose the name because it is easy to remember and is not something you associate with music. When he later learned that the English word "muck" means "filth", he thought that was also good. The band is also known by the nickname "69" since the numbers six and nine can be pronounced "mu" and "ku", respectively, in Japanese. They have played with this number throughout their career, such as dubbing June 9 "Mucc Day", and providing live broadcasts that last 690 minutes. Fans of the band are known as .