This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Grandmaster Champions Analysed: 543,501
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.
Nunu y Willump Counters
Nunu y Willump jungle vs jungle Counters
Presently there is insufficent games played by Nunu y Willump jungle on Patch 30 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Graves
el Forajido
Nunu y Willump wins against Graves 52.35% of the time which is 7.81% higher against Graves than the average opponent.
After normalising both champions win rates Nunu y Willump wins against Graves 2.38% less often than would be expected.
The average opponent winrate against Gravesis 44.54%.
Lee Sin
el Monje Ciego
Nunu y Willump wins against Lee Sin 52.83% of the time which is 6.99% higher against Lee Sin than the average opponent.
After normalising both champions win rates Nunu y Willump wins against Lee Sin 3.22% less often than would be expected.
The average opponent winrate against Lee Sinis 45.84%.
Viego
El Rey Arruinado
Nunu y Willump wins against Viego 53.57% of the time which is 7.86% higher against Viego than the average opponent.
After normalising both champions win rates Nunu y Willump wins against Viego 2.34% less often than would be expected.
The average opponent winrate against Viegois 45.71%.