Dustin Hoffman, Greg Giraldo, Old Crow Medicine Show

Carson Daly, Steve Schirripa, Bela Fleck and the Flecktones

Jennifer Aniston, Judah Friedlander, Pilobolus

Matthew Broderick, Paul F. Tompkins, Little Big Town

Jeff Goldblum, David Gregory, Charlie Viracola

Eva Mendes, Ken Mink, Fleet Foxes

Amy Adams, Eddie Izzard, John Legend

Don Rickles, John Leguizamo, Erran Baron Cohen

Bill Hader, Jessica Szohr, Tony Bennett

Jennifer Connelly, Bradley Cooper, Alec Greven

Hugh Laurie, Joel McHale, The Gaslight Anthem

Stephen Colbert, Keri Russell, The Lee Boys

Ethan Hawke, Nikki Reed, Plain White T's

Kanye West, Seth MacFarlane

Hugh Jackman, Marge Klindera, Tom Morello

Kiefer Sutherland, Rachel Maddow, Vampire Weekend

Rosie O'Donnell, Becki Newton, Brian Wilson

Martin Short, Sarah Vowell, Margot and the Nuclear So & So's

Jeff Corwin, Debra Messing, John Hodgman

Snoop Dogg, Brian Regan, Blitzen Trapper

Masi Oka, Alan Zweibel, Rock of Ages

Paul Rudd, John Stamos, Boz Scaggs

Tom Brokaw, Frank Caliendo, Joshua Radin

Seth Green, Artie Lange, Conor Oberst & The Mystic Valley Band

Andy Richter, Jim Cramer, Tom Papa

Ricky Gervais, Vera Farmiga, Chromeo

Elvis Costello, Madeleine Albright, Lordi

Dennis Hopper, Katt Williams, Phil Lesh & Friends

Brian Williams, Bill Bellamy, The Decemberists

Mary-Kate Olsen, Will Forte, Tom Nardone

Jada Pinkett-Smith, Jason Biggs, Pink

Tracy Morgan, Paget Brewster, The Last Shadow Puppets

Tina Fey, Peter Sarsgaard, The Black Crowes

Charles Barkley, Justin Long, Annuals

Edward Norton, Chris Bridges, Mike Birbiglia

Josh Brolin, Shaun Ellis & Helen Jeffs, Nikka Costa

Bill Murray, Rob Corddry, Ray LaMontagne

Harry Connick, Jr., Richard Lewis, O.A.R.

Christian Slater, Brian Posehn, Flobots

LL Cool J, Oliver Stone, Dead Confederates

Dennis Quaid, Lance Mackey, Sarah McLachlan

Molly Shannon, Jason Ritter, Noah McCullough

Russell Crowe, Alicia Keys, Death Cab for Cutie

Felicity Huffman, Jason Sudeikis, Jenny Lewis

Greg Kinnear. J.J. Abrams, Nick Cave and the Bad Seeds

Tom Arnold, Flavor Flav, Ben Folds

Robin Wright-Penn, Louis C.K., Department of Eagles

Julia Louis-Dreyfus, Michael Cera, Nate Bargatze

Bill Maher, Simon Pegg, The Watson Twins

Brooke Shields, Robert Reich, Amos Lee

Julianne Moore, Zachary Levi, Jakob Dylan

Jamie Pressly, Little Britain, Lenka Kripac

Billy Bob Thornton, Aasif Mandvi, Kenny Shopsin

Diane Lane, Patton Oswalt, Little Feat

Ice-T, Dwayne Wade, Shane Mauss

Anderson Cooper,Willie Nelson, Southside Johnny with La Bamba's Big Band

Ray Liotta, Marc Maron,Loudon Wainwright III

Martha Stewart, Harland Williams, Kasey Chambers & Shane Nicholson

Samuel L. Jackson, Ricky Gervais, Marc Broussard

Eva Mendes, Luke Russert, The Fab Faux

Serena Williams, Amy Sedaris, Meiko

Curtis Jackson, Kaitlin Olson, Gym Class Heroes

Keira Knightley, Tyler Perry, Bill Burr

Howie Mandel, Nastia Liukin, Bon Iver

Jerry O'Connell, Tim Gunn, Christian Lander

Dr. Phil, Kevin Connolly, Adele

Nicolas Cage, Vivica A. Fox, Delta Spirit

Jarod Miller, Jason Lezak, Ra Ra Riot

Bob Costas, Sophia Bush, The Spring Standards

Aaron Peirsol, Anthony Anderson, Lykke Li

Tiger Woods, Vanessa Minnillo, Jimmy Carr

Vin Diesel, Dave Attell, The Virgins

Daniel Radcliffe, Steve Coogan, The Hold Steady

Kiefer Sutherland, Jim Gaffigan, Mason Jennings

Seth Rogen, Philippe Petit, Al Green

Javier Bardem, Danny McBride, The B-52s

Seth Meyers, Sharon Osbourne, N*E*R*D

America Ferrera, Judd Apatow, Dwayne Perkins

Brendan Fraser, Steve Schirripa, The Airborne Toxic Event

Nathan Lane, Dylan Ratigan, Missy Higgins

Kevin Costner, Maria Bello, Gogol Bordello

Jason Sudeikis, Dr. Wladimir

Carson Kressley, Keke Palmer, The Ting Tings

Senator John McCain and The Steeldrivers

Aaron Eckhart, Caroline Rhea and Dr. Dog

Seth Green, Russell Brand, Eugene Mirman

Heidi Klum, Joel McHale, Daryl Hall and K.T. Tunstall

Gary Oldman, Joe Buck, Kenny Chesney

Sean Hayes, Ed Helms, Tom Papa

Al Roker, Paul Pierce, Pilobolus

Kyra Sedgwick, Jim Cramer, Joe Cocker

Selma Blair, Sig Hansen, Little Jackie

Ted Koppel, Emily Mortimer, Steel Train

Jason Bateman, Masi Oka, Alejandro Escovedo

Anne Hathaway, Romany Malco, My Morning Jacket

Mike Myers, Jordana Spiro, Dolphina

Megan Mullally, Brittany Snow, Detroit Octane

Ann Curry, Mario Batali, The Lordz

Michael Strahan, D.L. Hughley, Brian Scolaro

Randy Jackson, Piper Perabo, Forever the Sickest Kids

Mark Wahlberg, Louis C.K., Sharon Jones and The Dap-Kings

Jeff Corwin, Mario Lopez, Jamie Lidell

Kate Hudson, Robert Smigel, James Hunter

Colin Firth, Hugh Rowland, Jackie Greene

Kim Cattrall, Matt Taibbi, Lightspeed Champion

Wanda Sykes, Emmanuelle Chriqui, Lewis Black

Adam Sandler, Werner Herzog, Jewel

Seann William Scott, Tim Meadows, The Raconteurs

Jon Bon Jovi, Eva Mendes

The Strike Beard Show

Kristin Davis, Ira Glass, Ryan Bingham

Kevin Spacey, Cynthia Nixon, Brian Kiley

Harrison Ford,Eric McCormack & Atmosphere

Denis Leary, Anthony Bourdain, Mates of State

Kevin Nealon, Mary McCormack, DeVotchKa

Alan Alda, John Cena, Everest

Seth MacFarlane, Carlos Mencia, MGMT

Brian Williams, Leighton Meester, The Black Keys

Steve Carell, Alyson Hannigan, Duffy

Jimmy Fallon, William Shatner, Gary Vaynerchuk

Seth Meyers, Sophia Bush, Tokio Hotel

Emile Hirsch, Terrell Owens, Craig Baldo

Liam Neeson, B.J. Novak, The Duke Spirit

Jason Lee, Eva Amurri, Galactic

Patricia Heaton, Katt Williams, Thrice

Matthew Broderick, Michelle Monaghan, Brian Turner

Sigourney Weaver, Darrell Hammond, Was (Not Was)

Gordon Ramsay, Rob Corddry, Feist

Jeff Garlin, Dax Shepard, The Kills

Marisa Tomei, Anthony Anderson, Santogold

Tina Fey, Fred Willard, Say Anything

Amy Poehler, Danica Patrick, Dave Attell

Seth Green, Peter Greenberg, Radiohead

Andy Richter, Jennifer Esposito, She + Him

Rachael Ray, Kal Penn, Grizzly Bear

Patrick Stewart, Oliver Hudson, A.A. Bondy

Sarah Jessica Parker, Eddie Izzard, They Might Be Giants

Eddie Izzard, Morgan Spurlock, Tapes 'N Tapes

Jarod Miller, David Gregory, John Oliver

George Wendt, Howard Bach, Hot Chip

Christina Applegate, Lewis Black, Stephen Curry

John Krasinski, Bode Miller, Cobra Starship

John Leguizamo, George Takei, The Bravery

Helen Mirren, Wylie Gustafson, Carbon/Silicon

Bob Costas, Marc Maron, Moby

Ryan Phillippe, Big Show, JB Smoove

David Schwimmer, Drake Bell, Yael Naim

Tracy Morgan, Chris Hansen, Paul Thorn

Ice-T, Brian Posehn, Stars

Martha Stewart, Lance Krall, Billy Bragg

Frank Caliendo, Cheryl Hines, The Bad Plus

Meredith Vieira, Harland Williams, Keith Robinson

Snoop Dogg, Carson Daly

Jonah Hill, John Tesh, Drive-By Truckers

Paul Giamatti, Mark 'Dr. Bugs' Moffett, Jaymay

Christina Ricci, Jason Sudeikis, Shooter Jennings

Natalie Portman, Robert Schimmel, James Blunt

Tom Arnold, Todd Barry, Georgie James

Will Ferrell, Rashida Jones, Fred Simmons

Will Arnett, Flavor Flav, Super Furry Animals

Nathan Lane, Michel Gondry, Secondhand Serenade

Barbara Walters, Wladimir Klitschko, Black Mountain

Randy Jackson, Artie Lange, The Whigs

Anderson Cooper, Bill Hader, Jake Shimabukuro

Larry the Cable Guy, Tim Gunn, Jim Lauderdale

Neil Patrick Harris, Daniella Sarahyba, Yeasayer

Martin Short, Ray Allen, The Kooks

Matt Lauer, Ryan Reynolds, Simple Plan

Jim Cramer, Jose Andres, Band of Horses

Carson Kressley, Greg Kot and Jim DeRogatis, Catherine Russell

Professor Peter Fischer, Dr. Bob Arnot, Eric Lindell

Izabel Goulart, Len Berman, Nada Surf

The Great Throwdini, Donny Deutsch, The Dillinger Escape Plan

Michael Strahan, Sarah Bolger, Sheryl Crow

Ann Curry, Mike Epps, OneRepublic

Shawn Thayer, Ingrid Backstrom, The Blind Boys of Alabama

Dr. Phil, David Borgenicht, Les Savy Fav

Jeff Corwin, Colin Hanks, Matt Nathanson

David Gregory, Travis Pastrana, Kate Walsh

Jim Gaffigan, Chuck "The Iceman" Liddell, Joe Nichols

Bret Michaels, New York Giant Antonio Pierce, Lisa Loeb

Chazz Palminteri, Erin Burnett, Louis XIV

Pink, Lou Dobbs,Bettye Lavette

Tom Brokaw, comedian Anthony Jeselnik, Bell X1

Lester Holt, Sue Johanson, Ingrid Michaelson

Brian Williams, David Wondrich, Doyle and Debbie

Howie Mandel, Leigh Killian, Kate Nash

Ice Cube, Dr. Drew Pinsky, Marah

Donald Trump, Irina Markova, Sia

Hulk Hogan, Regina Hall, Nicole Atkins

Bill Maher, Jim Cramer, Mike Destefano

Megan Mullally, Fonzworth Bentley, Kid Rock

Bob Saget, Dwayne Perkins, Robert Gordon & Chris Spedding