I came very close once to working for the Henson company. They'd hired someone already by the time I got there (long story) but I got to hang out for a day. The company seems like a great group of people. They have drawers filled with things like "polka dots" and "Miss Piggy Hats." And the best thing is that muppet bloopers are hysterical.
Here's a YouTube of muppet bloopers (you need to have the sound turned up):