Basically... all female ninja. O_O
There's kind of this huge power gap between the kunoichis and male shinobi, isn't there?
Could Ten-ten, Ino, Sakura, or Hinata individually defeat Kiba, Shino, Shikamaru, Chouji, Neji, Lee, Naruto, or Sasuke? With the possible exception of Hinata and maybe...