I did a visual comparison of the brothers Lait and Dolce
I set up a blog for the comic's visual development with non-spoilery notes and whatnot and I'll be posting more there soon.
The post I made with this can be found here:http://dentsucree-comic.tumblr.com/post/126577015222/so-i-originally-drew-these-as-part-of-their-ref