https://www.empireonline.com/movies/...-leader-snoke/
"Snoke is bloody dark; way darker than Palpatine,” Andy Serkis tells us in the new issue of Empire. “He’s riddled with this osteoporosis so his body's twisted, like a corkscrew. He's incredibly damaged, so there's a bizarre vulnerability about him. Beneath that vulnerability, though, is this intense hatred."
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He’s definitely not a Sith, but he’s certainly at the darker end of the Force. Without giving too much away, that begins to unfold a little in this one."