I dont't personally have a favorite ones , but i do sometime thinks that one character should have another voice actor or one voice that pisses me everytime i hear them talk .
The eyes are a bit different. Eyes can mean a lot.
I'm pretty sure the top character is from Engaged to the Unidentified and the bottom one is from Love is War. (Sorry, I'm horrible at remembering names.)
Well if I am being honest I wasn't gonna go that detailed with my description but yes I agree. If anything eyes matter more then pretty much any other feature of the face when comparing people.