OK, took the quiz, and now I'm certified as a full-fledged Muppetologist as well.
Score: 100%, 10 out of 10 questions correct.
Thoughts:
1 How can it be that the question asking about Uncle Deadly's identity was the hardest question to answer?
2 In my opinion, the toughest question was number 3 about what most Muppets have in common.
3 As for Question 9, it's an easy answer if you know who performed each of the characters listed as options.
BTW: Questions 3 and 9 tied for second hardest.
4 What you guys are nitpicking about Question 8 is partially misleading. See, the first thing is to correct the guy that the character he's talking about, J.P. Grosse, is Scooter's uncle and not his dad. Then, it's easier to answer what was the profession of Scooter's uncle, which is what the question's rully asking.
5 As for Question 7, "Whatever" is Gonzo's species' name. But if you want to get truly technical, they dispelled all of that in MFS, explaining that Gonzo is an alien from another planet.
But then again, we here at Muppet Central know that the roles in all the movies are partly fictional and partly non-fictional.
Hope this helps and have a good night.