TrustedReviews have looked at RealIllusion CrazyTalk 4

So then you’re ready to play your animation. Even in its rest-state, the portrait moves slightly and blinks occasionally, which looks quite unnerving, but that’s nothing to what happens when you click the play button. If you are of a nervous disposition, and are the kind of person who gets nightmares after watching Dr Who, then you may want to reconsider at this point, because you may run away screaming as soon as you see what it does to your face.

RealIllusion CrazyTalk 4 Review