First, let's look at the logo for the Mystery Guest game...
The web address is written in a circle and slightly resembles a hole in the ground. Inside the circle, there is a pocket watch that has stopped at 6:00 and the logo that looks a little like the letters M & H mashed together.
Kyra mentioned his old fashioned clothes and "proper" speech. Indicating that the character is well... not from around here. And is most likely from another time period.
Alyson dropped a hint when she talked about the lure she used for her box trap. She mentioned that he likes tea ... a lot.
Challenge #2 was important because of the setting: Victorian London. Somewhere you might find old-fashioned clothing and proper speech... unless you are Scarper from Montmorency.
The clue that I dropped was that he sang the wrong lyrics to Twinkle Twinkle Little Star. He was singing: Twinkle, twinkle, little bat! How I wonder what you're at!
And lastly, Caroline is on the hunt for a specific hat. Something like this:
But it is missing one major piece, something that can be seen in the original logo for the game:
Do you see it? That little card stuck in the hat that has a 10/6 on it? That's important!
If you think you know the Mystery Guest, please email me! There is still time to get $100 Library Bucks!