Aren't you just itchin' to know who will be Conan O'Brien's first guest?!
Itch no more!
We got the answer for you.
Get ready for a nutty show...
It's Arlene Wagner!
What do you mean who?!
She opened the Leavenworth Nutcracker Museum back in 1995 with her hubby, TMZ reports, and is flying to L.A. today!
The premiere airs Monday at 11 p.m.