You like Charizard, Articuno, any of the huge list of Bug/Flyings, Volcarona, etc.? Two words for you: STEALTH ROCK.
Lol Scizor, Kevin Durant, Forretress, Escavalier. I once KOed them by using Foresight in the sun.
Golem, Rhydon/perior, represent those dual 4x weaknesses to attacks that primarily target your weaker defensive stat.
Celebi and Exeggutor are rockin' some of the highest weakness totals with 4x Bug weaks.
Obamasnow is the crown champion of weaknesses with 4x Fire weak.
Heatran and Magneton/zone pretty much die from touching the ground. At least the magnets float.
And I would make fun of Dragonite, but with Multiscale, Light Screen, and a Yache Berry I'm pretty sure it can survive a STAB crit Blizzard...at least Garchomp, Flygon, and Salamence die from listening to Ice Ice Baby.