Frank Thomas and Olllie Johnston - Website :12 Principles of Animation

In no particular order (yet) :-) These were taken from Frank Thomas' and Ollie Johnston's website. The site also features "War Stories" from working on classics such as Snow White (1936) and the 9 Old Men.

http://frankanollie.com/PhysicalAnimation.html

1. Exaggeration
2. Good Drawing
3. Ease in and Ease Out
4. Staging
5. Squash and Stretch
6. Follow Through and Overlapping Action
   
7. Secondary Motion
8. Straight Ahead Animation
9. Pose to Pose Animation
10. Anticipation
11. Arcs
12. Timing
    

Citation:
Thomas, Frank and Ollie Johnston. The 12 Principles of Animation. 2002. FrankAndOllie.com. AWN. 03 June, 2007. <http://frankanollie.com/PhysicalAnimation.html>