Iclone is easiest and fastest tool to animate your 3D models. Fast render with good quality that should be enough for 2D adventures anyways
Z-brush is just as you heard as working in clay only in 3D and even easier cause you may make perfect morph on 2 sides for example with morphing only 1 side
many helpful tools there and it is not hard to understand if you have any 3D experience... It took me 1 day to create whole scene for new game (i have about 15 screens so far) and all is animated in there also. 1 Scene about 1 day with all details. Somewhere game was made in 6 days in complete tho. It was my first game ever made on any computer or platform lol. that says a lot about Visionaire. It is super easy to create cool things with it