Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-112.207.190.179-20140221055011/@comment-12011243-20140224175033

They both have blue eyes - I'm not sure why some people are thinking that one should be yellow. In "More Bad Than Good", only Aiden gets his wolf eyes on, and they're blue. Aiden goes blue again at the beginning of "Galvenize". Ethan's eyes are blue when Isaac triggers the healing process in "Illuminated". We don't get a good look at their eyes in "Silverfinger", but they're both definitely blue in "Letharia Vulpina". There have been no instances of the twins having any color other than blue.