Jesus Christ! Don't turn his head, and you don't actually NEED to do anything. It would be better if he was looking (just with his eyes) at whoever's next to him. Don't listen to dougan, because people die from that all the time.
The character facing the "screen" and looking at the other character is fine. It's called a "sideways glance".
Here's an example of it:

Rabid, I like the characters. They're fine just the way they are, but if you want them to relate to the other character in the comic more, just move the eyes in a different direction. I know what you mean about the 3/4 aspect. It's difficult.
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The giant three-phallused phallus of Uzbekistan will one day squirt the cosmic jizz of revenge all over Canada.