Formidable Foe is a battle theme in Mother 3. This song is exclusive to the Oh-So-Snake. It's slightly based on the Jaws theme.

Formidable Foes

Formidable Foes is the unused harder version. It has 2 parts where the rhythm is subtly halved - at 0:23 and 0:48. It's also halved at 0:59, but this is more noticeable. This song isn't used for any enemy in the game, but it is present in the Sound Player.