These are hand-drawn by me and edited for text on a computer. Here are his design breakdowns and notes:

I made his design slimmer for a more agile look, since in the 03 clone wars shows him climbing on walls, bolting to and fro, etc. I didn't want him to be an exact replica of Darth Vader, so I shone his personality in his eyes: serious, frustrated, and quick to snap back, (They made him a little sassy in the 08 clone wars to count Dooku.)