For Pierce, I was thinking more along the lines of Christian Bale. I know that Rob will say that no, no, he's Polloch, but I like his image for delaCroix. After all, he had to be pretty enough for Jordan to want him to "replace" his dead lover. You can start at Equilibrium photos.
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Roman Pollach needs to be far more kempt. He is a Primogen, after all...