Question: what junglers are good right now?
Answer: Optimal (S-tier) = Ekko, Kha'Zix, Graves, Kayn, Vi, Warwick, Volibear.
Great (A-tier) = Shaco, Elise, Fiddlesticks, Zac, Amumu, Nocturne, Hecarim, Shyvana, Nunu + Willump, Master Yi, Rammus.