At the start of the game u must pick male name yoursellf Blane,Brock,Giovanni,Koga,Surge,Falconer(if u no more male gym leadres from johto,kanto thell probs work)but whatever you pick its like a lottery when you go to help birch ull have random starters eg the first time i didi it i got treecko,charmander,mudkip then squirtle,chicorita,mudkip etc