There are several artists using this name:
1) Kobra german rapper AKA Kid kobra
2) Kobra Swedish indie noise rock band
3) Andrzej "Kobra" Kraiński vocalist and guitarist of polish band Kobranocka
4) Kobra Italian 80s hardcore punk band
5) Kobra Indonesian garage punk band
6) Kobra 80s Yugoslav folk singer

Read more about Kobra on Last.fm.