M.S.I. (Mutilated Spastic Iguanas) are a death metal band from Hobart, Tasmania, Australia, active since 1997. The band has released four full-length albums, the most recent being 2005's "Dream the Serenade". The band is notable for featuring former Psycroptic vocalist Matthew "Chalky" Chalk, who has played drums with M.S.I. since 2000. They are of course not to be confused with the American industrial/punk band Mindless Self Indulgence, who are sometimes abbreviated M.S.I for convenience.