<div class='quotetop'></div><div class='quotemain'>The tsuchinoko (ツチノコ) is a mythical creature (or UMA) from Japan resembling a snake. The creature is also known as "bachi-hebi" in Northern Japan. References to the tsuchinoko legend can apparently be found in the Kojiki.</div>

http://en.wikipedia.org/wiki/Tsuchinoko

It's really a mytical creature. It's not something they just made up for Metal Gear Solid 3. :alien: