Nuzzle can be countered by Poison Heal, Zygarde, Regieleki, Zekrom or Heal Bell
Belly Drum can be countered by Extreme Speed with -ate bonus, Choice item-forced Trick, Prankster, Unaware (not all the time) or Haze (Taunt makes it unavailable, Magic Bounce is the way to go)
Almost all the time I...