UbersSuck20
#FreeGenesect
Yup, but here is another problem: Lv20 Machop's Karate Chop doesn't even 2HKO Miltank, meaning she can just stall you out with Milk Drink.
Blue, Clair, Elesa, and Drayden
Yea Sabrina could be a pain.Kanto- Sabrina.
Johto- None were really that hard in GSC. HGSS, however, Bugsy and his Scyther were difficult.
Hoenn- None of them.
Sinnoh- Maylene, just for her Lucario.
Unova- Elesa. Volt Switch is the worst move. Ever.
Gardenia was the hardest in Diamond/Pearl.
If by "worst" we mean hardest? Probably Norman and his monster of Slakings
Winona and Juan/Wallace-- Her Altaria gave me fits with that Dragon Dance and everything else. Aaaaand Kingdra makes a reappearance here.
I don't think Dragon Dance existed in Gen 3. Or maybe that's because I played Ruby and don't remember much.
Gen 3 was where it debuted, but honestly, I wish I could forget that lol
Drayden and Iris in Gen 5 were the prime (ab)users of Dragon Dance though. They mostly just used DD and never bothered to attack, so if you had an Ice-type or Samurott with Blizzard or Ice Beam, they were down in five Mississippi.