Nirvana's logo with the Smiley Face. Nirvana was an American Grunge Rock band that was formed by singer-songwriter/guitarist Kurt Cobain and bassist Krist. There are a few different theories on the origins and meaning of the iconic Nirvana “Smiley Face” logo with it's crossed-out eyes and it's. But the history behind the Nirvana logo still emblazoned on the front of millions of shirts is still unclear. In it's official version it includes the band.