"Within my body lies the whole of the Universe. I am eternal!"
Seth (セス) is the main antagonist of Street Fighter IV. He is the head of Shadaloo's weapon division, S.I.N. According to the official Street Fighter website, Seth is one of many genetically engineered replacement bodies for M. Bison. His Mortal Kombat rival is either Noob Saibot or the Fallen Elder God Shinnok.