Blue Man Group is an American performance art company formed in 1987. It is known for its stage productions that incorporate many kinds of music and art, both popular and obscure. Its performers, known as Blue Men, have their skin painted blue. They are mute during shows and always appear in groups of three. . The company has continuing shows in Berlin, Boston, Las Vegas and . A typical production employs seven to nine full-time Blue Men who are selected by audition.
https://en.wikipedia.org/wiki/Blue_Man_Group