no!

There are at least three bands that go by the name No! 1. a female pop group. they go by using all lower case letters to spell their name ("no!")
2. a punk band from New Paltz, NY. Originally known as "The Mania" the band claims that they are attempting to bring back a respectable punk scene to the area. This "NO!" spells their name in all caps. 3. a two-man punk band from Athens, Georgia: drummer Jason Griffin and guitarist Scott K. NO! released a full-length album on Tsunami Records. Drummer Jason Griffin was previously in Tres Kids, Goatshanty and Divorce.