Supreme Leader Snoke may be comparable to Emperor Palpatine in that Andy Serkis' humanoid alien has been angled as the ultimate big bad of Disney's current Star Wars saga, but whereas the prequels outlined every step of Palpatine's rise (descent?) into Darth Sidious, Rian Johnson has vowed to exercise some restraint when it comes to Snoke and his place in Star Wars: The Last Jedi.