In the last 30 years, a lot of things have changed in the National Hockey League.
Expansion teams, division realignment, shootouts, ownership groups, players, and of course coaches.
Although the career of a player can last for 10-15 years with one organization, very few coaches can survive for more than four or five seasons behind one team's bench.
Lindy Ruff and Barry Trotz immediately come to mind for coaches currently in the league that have had some great success.
Then there are those that just don't see things go their way, for one reason or another.
Let's take a look at some of the names in the coaching ranks that are famous (or infamous), depending on how you look at it.