Cover half of his face and you can see the subtle differences between the two. Now that's awesome acting. << Yes, cover Tom's face and look just at Loki. Now cover Loki's face and look at Tom! Woah, I always thought the two didn't look alike.
Sometimes I think people are too hard on Odin. He did love Loki, his son. << I think that Odin did love Loki, but he favored Thor because he possessed more Asgardian traits. Loki was different. Everyone but Frigga treated Loki different.