There is no "best" Pokemon for skill. The pokeathelon stats vary for each individual Pokemon. Feed it the Skill April juice and that will boost the skill stat
Mt. Silver or the Pokemon league
latious
The Pokemon League
chikorita it gets pretty tough
Cyndaquil by far
pineco,aipom
no legendary:gyarados legendary:lugia -megaman9999
sorry you have to trade it to Pokemon soul silver
I Don't know what Soul Ilver is, but i know Soul Silver. I'f your looking for Ex-p then the champions pokemon are best. if your looking for easy then Will's pokemon are good
Probably either Mewtwo or Rayquaza.
Pokemon Heart Gold And Soul Silver.
It is "the world's best trainer" and a thief.