Bi-Han, previously known as Sub-Zero, and currently known as Noob Saibot, is a wraith Lin Kuei warrior from the Netherrealm and a major antagonist in the Mortal Kombat fighting games series. He is the older brother and archenemy of Kuai Liang (aka Sub-Zero). He is the titular main protagonist of Mortal Kombat Mythologies Sub-Zero, an anti-villain in the first Mortal Kombat game, a minor antagonist in Mortal Kombat II, a major antagonist in Mortal Kombat 3, 4 and Armageddon, the secondary antagonist of Mortal Kombat: Deception, and a supporting antagonist in Mortal Kombat (2011) and Mortal Kombat 11, and a minor antagonist in its DLC Story Mode, Mortal Kombat 11: Aftermath.