Two
There are more than one artist with this name:
1) An industrial hard rock project of Rob Halford's formed in the mid 1990s consisting mainly of Rob Halford (Judas Priest, Fight) and guitarist John Lowery aka John 5) - (Marilyn Manson, David Lee Roth, Rob Zombie). They released a single album called "Voyeurs" in 1998 (Trent Reznor from Nine Inch Nails executive produced) and a video for the song "I Am A Pig" which was the only single from this concept, before disbanding shortly after. The band name is also stylized as 2wo.