People and procedures that make you a less-efficient and more-frustrated worker. Almost always these are highly ineffective and unnecessary hurdles, and your life would be easier and happier if they didn't exist. Example: Your supervisor has to approve your project, but you're much more knowledgeable about the subject. She has no valuable feedback because she doesn't have the experience to comment on this situation. Your deadline is quickly approaching, and the time you need for finishing touches is spent explaining your project topic to your supervisor. She is a bottleneck.
Have you encountered anyone like this?