It's moot, since the character has been removed from the quiz - but he was a character from the American TV sitcom "Cheers." He was one of the regulars at the bar, a mail carrier.
I never thought of Cheshire as a first name! Got it - but that's weird. I'm assuming you're not British DoubleA, otherwise you'd know how to spell that English county.
This series is fantastic! Guessed the Cookie Monster and Conan even though I've never seen them. The same happened with Dora in the D quiz. The picture just seemed to fit the stuff I've read.