With Newsie in the mix, we now have all Jim Henson Muppets (not counting the likeness of Jim himself, of course). He’s had four performers so far, the other three being Brian Henson, Steve Whitmire, and Eric Jacobson. I’ve yet to hear how the latter performs him - it’s the second time he took over a Jim Henson character (the first being Guy Smiley).
My remaining predictions are Waldo, ‘80s Robot, and Penny Waxman, and I think one of them is bound to be ruled out. Unless there’s proof of Miss Piggy being #0, I’m standing by my prediction of her being #70.