Oliver:

Block out your animation in stepped curves. Start by concentrating on strong poses and timing. Manually key in the in-betweens. Don't let the computer control the rig too much.

Zach Savaglio:

Lip sinc needs a lot of work, as well as facial expression.

Santiago Shang:

The lipsync needs a lot of work. And the movements too.

Tom Islava:

It reminds me of that scene in Lord of the Rings where Gollum is talking to himself. From the camera angles to the fact that they're both the same model.