Top 10 Boss themes of any game genre

[andycamacho100]

Well I would post them here but I would say my number 1 boss theme is at the end of Seiken Densetsu 3 (sucks it never got a US release but we didn't give Secret of Evermore to Japan so we're even lol xd) where you fight one of the last 3 bosses and when its in the middle of the fight you get this cool theme

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and its badass. So post your top 10 boss themes of any game genre (RPG, adventure, action,etc. blah blah blah)