Randomness
He is already here.
Feraligatr, Lugia, Typhlosion, Entei, Raikou, Tyranitar, Kingdra.....
/rant
/rant
Ledian as I love its design, and Smeargle whose design I also like, and also because it can learn almost every move in the game. These two are pretty much the only Johto Pokemon that I really like.