Am loving this one. I actually was very fortunate not to ever experience a supervisor like that!

11 Habits of the Worst Boss I Ever Had - David Silverman

From the boss' point of view, these hit the nail on the head as well: they list the some of the hardest things a supervisor needs to work on.

• Consistency and predictability
  This allows your flock to feel comfortable enough to spend the majority of their efforts on work, rather than survival and promotion
• Transparency and Candor
  A leader must ensure that everybody on the team understands how decisions are being made and communicated.
• Roots and Wings
  A good boss makes sure that his flock knows they are safe and rewarded to explore ideas that fit the general context of their work.
• The Servant Leader
  A leader provides services to the team, as much as the team provides services to the customer. Never get that mixed up, or you step off the ledge.