All time: Jim Henson
All time personal special fave: Richard Hunt
Current fave: Bill Barreta
Special mention: Jerry Nelson, the ocnsumate fan's fan and friendliest Muppeteer in the world(besides Karen!)
As for Brain Henson doing Kermit...officially I have only heard of him doing Kermit a few times. Isnt Rivkin now where Brian was?(CEO?) So weird for a CEO to also be a Muppeteer, heh.
Anyways, all said...meeting these guys I was too enamored to just pick one fave. I have never met any celebrities/people I admire more gracious or on the level.
Just to illustrate how cool and obviously not you raverage company JHC is...when me, Kevin/Fozzie, and Dave/Gorgan Heap snuck down where we werent spose to after the live show onto the floor...we got to mingle with the Henson clan(Jane, John/Sweetums, Brian, etc) and then when the mean security lady said we had to go I remember Brian saying something to the effect of 'Hey, but these are our fans!'. So yeah, JHC is perhaps the most special non corporate companies in the world.