Best in their Field

Please no arguing unless you've tried out the role, and know what you're talking about, no being pissy because some of these champs aren't "Meta"

This is a thread to discuss the best champions in certain fields, no hate, not a definitive tier list, just casual talk, but with explanations! Stuff like.... This Week: Tanky Supports! Discuss the Best tank supports that League has to offer, and don't pass up any off-key supports like ! In my mind the champions that can qualify for this are...(add more if you feel like I missed any) Discussion GO!!!