Tieffelin are everywhere in the game and it's very surprising especially with such a blatantly diabolical physique since the 4th edition.
In fact, they're absolutely rare and don't even account for 0.5% of Baldur's Gate.
Dwarves are the big absentees, and I'm not even counting the few Dwarves present with the beard of an asthmatic virgin (translation: a depressive fuzz).
I want my Dwarf to be gruff and, if possible, of the wrong alignment, like Kagain and Korgan.