There are several artists named 'Nirvana'; Nirvana was an American grunge band. The band formed in Aberdeen, Washington in and it was part of the Seattle grunge scene of the late alongside bands like Pearl Jam, Alice in Chains and Soundgarden.
Nirvana : “Punk is musical freedom. It's saying, doing and playing what you want. In Webster's terms, 'nirvana' means freedom from pain, suffering and the external world, and that's pretty close to my definition of Punk Rock.