Kaleb:

Awesome use of fundamentals like exaggeration and overlap/follow through. I think there is a bit too much jaw movement in the lip sync, though. Focusing more on the mouth shapes rather than just moving the jaw would make the speaking look much more believable.

Tessa Schrock:

I love how expressive this is, very nice!
The mouth movement feels a bit fast and unnatural though. When we speak, our mouths tend to make "shortcuts" for the shapes we make with our lips. Typically each sound does not have its own individual shape. I would recommend filming yourself speaking the dialogue, and see what kind of movements you naturally choose to make while doing so.