Snoke is a clone created by Palpatine and who appreciated the dark side of the Force. He witnessed the destruction of the second Death Star and helped create the First Order out of the remnants of the Galactic Empire. He made Ben Solo become the feared Kylo Ren. Unlike Palpatine, he doesn't use the teaching of the Sith. After the destruction of the Starkiller Base, he used the dark side of the Force to make Rey and Kylo Ren connect to each other and confront at Snoke's base. Kylo Ren killed his master and framed Rey for killing the Supremer Leader, making Kylo Ren Snoke's successor.
Snoke is a pale humanoid alien with visible scars around his body. He wears a yellow robe.