Always thought he was a pretty good manager but also a wee nyaff.
His last job turned fairly sour though - http://www.theguardian.com/football/2014/mar/24/billy-davies-nippy-sweetie-nottingham-forest
Kris Boyd's only decent spell in England was under Davies at Forest. Said he was the best coach he'd played under. Still hold out hope of Boyd coming good again.