Snorlax

Phenomenal bulk, good Attack, excellent coverage, and access to Curse make Snorlax a formidable setup sweeper in NU, capable of decimating many teams once afforded a chance to set up. Snorlax's longevity gives it the edge in many matchups, able to survive hits from powerful physical attackers like Tauros and Guzzlord with a few Defense boosts and healing with Rest. In addition, Snorlax finds setup chances often due to its great natural bulk turning defensive Pokemon such as Mantine, Sylveon, and Vaporeon into setup fodder. Even in matchups where sweeping is unlikely, this bulk and Body Slam's paralysis chance give Snorlax good general utility. However, Snorlax's reliance on Rest for recovery leaves it open to a variety of Pokemon that can stop its sweep. Its dismal Speed leaves it very vulnerable to item removal, status, and a slew of dangerous wallbreakers, all of which can force it to use Rest early or negate its sweeping potential entirely. On top of this, Snorlax's typing gives it almost no relevant defensive benefits, even if it opts to use Thick Fat, and gives it a very common and exploitable weakness in Fighting. Snorlax's sweeping ability can be highly matchup reliant, as it will rarely get past certain threats such as Vileplume, Golurk, Escavalier, and Diancie without the right coverage move.