It has to do with your Trainer ID....the last number, if I remember what I read somewhere right...^^; I think it doesn't change until you mix records with someone else. So yeah, all you'll get is aguav.
[Blizzakazam by Xikaze](My mad TR skillz! XD)
@ 24 /1st evolve@ 105 /2nd evolve@ 135 /Lv. 100@ 309