ok First of all. :P lol
you never said you needed a Certain Ability, And about the Riolu. I just wanted to know if you wanted to EV it.
But, I just happen to have a Timid, Natural Cure, Staryu. and....
His IV's are 31 / 18 / 28 / 31 / 20 / 31. Will that work? :D
Oh, And he's Shiny.