User blog comment:Aggron... Just Aggron/Gen 2 Candies/@comment-33860972-20161203022843/@comment-29203151-20161206023134

But the baby Pokemon use the candies of their base form.

Although, I see an issue with Tyrogue... I am going to assume that Niantic will convert everyone's exiting Hitmonchan/Hitmonlee candies into Tyrogue when the second generation drops.