At least two groups and one solo artist have gone by this name.

** A finnish garage rock / glam punk band in the 80's, influenced by such groups as The Stooges, The Doors and MC5. They were also semiknown in America, where for example Guns N’ Roses praised their music and attitude. The band released 5 albums between '84-'88. Nirvana covered Smack's song "Run Rabbit Run" at some performances in 1988. Vocalist Claude died in the mid-90's but the legend lives forever.

Discography:
Smack On You (Cityboy, 1984)
Rattlesnake Bite (Cityboy, 1985)
Salvation (Eden, 1987)
Radical (CBS, 1988)
Live Desire Live Tavastia 1986 (Cityboy 1986)

http://www.smackonyou.com/

** Czech grime MC and DJ former member of Iscream Boyz. His first solo recording was released in 2010. He is the head of Iscream Show at radio Spin.

** A brazilian post-punk band formed by Pamps (vocals & guitar), Sandra Coutinho (bass), Edgar Scandurra (guitar) and Thomas Pappon (drums).
They released two albums by the label Baratos e Afins: Ao Vivo no Mosh (1985) and Noite e Dia (1986). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.