It's always interesting to see the workflow and ideas of others so, here's an article on the character animation process.
This is an oldie-but-goodie that still provides good insights.
The author, Michael B. Comet writes:
This article is an attempt to explain and illustrate how I usually go about my animation process, from idea to finished animation.
He goes from the rough sketches all the way through to the final animation:
Each part of how I approach my animation process is described below. At the end of each, is a link or image you can click on to download that particular animation for that step, to see how my progress looked.
He even includes the audio file used in the scene, along with plenty of video clips showing the developing animation!