A lively debate in the Whedon fandom has always been "Who are Joss Whedon's best characters"? Let's use this list as a way to settle that debate, shall we? Give your faves and thumbs up, thumbs down to those you're not as fond of.
http://www.ranker.com/crowdranked-list/top-joss-whedon-characters,
Buffy Summers
Faith Lehane
Kaylee Frye
Malcolm Reynolds
River Tam
Rupert Giles
Spike
Willow Rosenberg
Winifred Burkle
Angel