Megaton is the name of several bands: 1) Megaton is a mexicanheavy metal group from Torreon, formed in 1988, releasing only one selftitled album before splitting up. 2) Megaton was a NWOBHM band from London, UK formed in 1980 released in 1981 single 'Aluminium Lady / Die Hard'. Now split-up. 3) Brazilian thrash metal band. 4) Argentinian heavy metal band. 5) Swedish band releasing one album, ...Superior, on Megarock in 1995.