Who is the champion on Pokemon?

Answer 1

*on Sapphire and ruby it is Steven

on fire red and leafy green it is the rival you name in the beginning

^don't forget Lance is the Champion of the Johto Region

and Cynthia the Sinnoh Region Champion

and the Unova Region Champion is Adeku(Pokemon Black and White)

although you fight Geechisu in the first try.

*little bonus Wallace is the Champion on Pokemon Emerald, You can fight Steven though in meteor falls were you get the iron tail TM.