An old member named SSWR had some similar ideas years ago - trying to turn Mace Windu into a sort of Snape character, who was a sort of tragic hero. Sadly he closed his youtube account a while back so some of his videos are lost - but there are some here -

AOTC COUNCIL
ROTS WINDU
ROTS ANAKIN’S TURN

A lot was achieved with adding different context to various head turns and grumpy expressions. He had a bunch of other videos, including a brilliant ending to ROTS that was never recovered.