In 30 years of rpg you seriously never found a strange slender alien humanoid race ?
That's 30 years of being CASUAL good sir.
To be more serious, I kinda have a bit of a solution for you : modding.
https://www.nexusmods.com/divinityoriginalsin2/mods/111/?Here is a mod for you, it's not a remodel, just a retexture, but it's better than nothing.
(And Beast is probably the most blank and boring character, interesting topic about it :
http://larian.com/forums/ubbthreads.php?ubb=showflat&Main=78123&Number=632361#Post632361).
