Matthew McConaughey, Yao Ming, Tracy McGrady, Hall & Oates

Sylvester Stallone, Gnarls Barkley

Adam Carolla, Giovanni Ribisi, OK Go

Matthew Fox, Lawrence Taylor, +44

Howard Stern, Forest Whitaker, Nas

Ryan Seacrest, Beck

Shawn and Marlon Wayans, Eric Dane, The Living End

Jessica Biel, Mario Batali, Fantasia

Ted Danson, Mary J. Blige

Tom Arnold, Jo Frost, Corinne Bailey Rae

Thandie Newton, Peter Falk, Bow Wow with Chris Brown

David Allen Grier, Tatum O'Neal, Lily Allen

Elijah Wood, Tichina Arnold, Mute Math

Rachel Weisz, Chi McBride, Jenny Lewis

Taye Diggs, Teri Garr, Todd Glass

Wilmer Valderrama, Michael Irvin, Chris Daughtry

Regis Philbin, Jay-Z

Teri Hatcher, Gary Brolsma, Rock Star Supernova

Billy Crystal, Ricky Martin

Greg Kinnear, Marla Sokoloff, Sherrod Small

Brittany Murphy, Shia LaBeouf, John Legend

Tracy Morgan, Jerry Springer, Akon

Pamela Anderson, Geraldo Rivera, Brent Simon

Don Rickles, Nick and Aaron Carter, The Hold Steady

Julia Louis-Dreyfus, Lady Sovereign

Diddy, Tony Hawk

Lauren Graham, Ricardo Chavira, Anita Baker

Val Kilmer, Bowling for Soup

Roseanne Barr, Joseph Cross

Sharon Osbourne, Josh Radnor, the Wreckers

Kathy Griffin, Shawnee Smith, Meat Loaf

Terry Bradshaw, Matt Davis, Lloyd Banks

Ted Danson, Jennifer Tilly, Xzibit

Anne Heche

John Stamos, Bobcat Goldthwait, Ivan Kane's Royal Jelly

Justin Timberlake, Kate Walsh

Robin Williams, Rod Stewart

Wanda Sykes, Sun Ming Ming, Ruben Studdard

Jason Lee, America Ferrera, Gym Class Heroes

Andy Dick, Diora Baird, Jet

Jessica Simpson, Carlos Mencia, The Killers

Dane Cook, Emilie de Ravin, The Killers

Dax Shepard, Jordana Brewster, The Killers

Eva Longoria, Artie Lange

Evangeline Lilly, Anthony Anderson, Ludacris

Jon Heder, Don, Mole and Perry, The Red Jumpsuit Apparatus

George Lopez, Clay Aiken

Johnny Knoxville, Kim Raver, Patrizio

Felicity Huffman, Jet Li, Human League

Dwayne "The Rock" Johnson, Bam Margera, Lupe Fiasco

Zach Braff, Xzibit, Josh Radin

Sarah Silverman, Lionel Richie

Chris Elliott, Rachel Bilson, LeToya

Diane Lane, celebrity photographer Yehya Mohamed, Chingy

Orlando Bloom, Emily Deschanel, Lyfe Jennings

Tyra Banks, Jason Statham, Papa Roach

Anthony Michael Hall, James Carville, Robert Randolph and the Family Band

Ron Livingston, Toby Keith

Lauren Holly, private investigator Vinny Parco, the Roots

Michael Rapaport, Jimmie Johnson, Jo Koy, Wayman Tisdale

Tommy Lee, Wayne Brady, Starsailor

Kevin Nealon, Jay Chandrasekhar, Pat Green

Anthony Michael Hall, Joan & Melissa Rivers, the Red Jumpsuit Apparatus

Tom Cavanaugh, Tommy Chong, Cartel

Hillary Duff, Ultimate Fighting Champion Chuck Lidell, Anti-Flag

Heidi Klum, Dave Navarro, Panic Channel

Samuel L. Jackson, Elisha Cuthbert, Cobra Starship

Paul Reubens, snake handler Jules Sylvester, Obie Trice, Leonid "the Magnificent" Filatov

Jonathan Winters, Kenan Thompson, Against Me!

Matt Dillon, Justin Long, Ziggy Marley

Will Ferrell, Bobby Cannavale, Under the Influence of Giants

Cheryl Hines, Shaun White, Russell Peters

Sandra Oh, Jewel

Flavor Flav, Leslie Bibb, Ben Harper

Regis Philbin, Trevor Fehrman, Pharrell

Jon Cryer, the Dudesons, Los Lonely Boys

Gene Simmons, Jeff Ross, the Elected

Rosario Dawson, Jesse Metcalf, the Flaming Lips

Allison Janney, Morgan Spurlock, Jurassic 5

Robin Williams, Anna Faris, Rhymefest

Shawn & Marlon Wayans, Fred Willard, Korn

Terrell Owens, Rainn Wilson, Rascal Flatts

Brittany Murphy, Danica Patrick, Eagles of Death Metal

Lance Armstrong, Matt Dallas, Smoosh

Tracy Morgan, Shaun Alexander, Sonic Youth

Ed Burns, NBA Finals MVP Dwayne Wade, Flyleaf

Kathy Griffin, Jason Gray-Stanford, the Brand New Heavies

George Foreman, psychotherapist Richard Cohen, Blue October

Tommy Lee, 98-year-old high school student Josephine Belasco, Greg Fitzsimmons, the Fixx

Jason Alexander, Meagan Good, Jamie Kennedy

Mariah Carey, Rob Zombie

Geena Davis, Louis C.K., Jeff Corwin

Bonnie Hunt, Phil Gordon, Buckcherry

Ozzy Osbourne, Anthony Bourdain

Fiona Apple

Jack Black, Wolfmother

Luke Perry, Jean Smart, Huey Lewis

Jaime Pressly, Xzibit, The Streets

John C. Reilly, Gary Gulman

Rosie Perez, Jared Hess, Elefant

Jessica Alba, Larry the Cable Guy, Him

Ice Cube, Paget Brewster

Dane Cook, Brett Ratner

Jon Favreau, Mike Iaconelli, Elefant

Julia Stiles, Jason Ritter, Atreyu

Sarah Silverman, James Cramer, Denny "Average Homeboy" Blaze

Sarah Silverman, Artie Lange, Hoobastank

Teri Hatcher, Umphrey's McGee featuring Huey Lewis

Drew Carey, Malcolm David Kelley, Christina Milian

Katherine Heigl, James Pickens Jr., Chandra Wilson, Ben Lee

Dominic Monaghan, J.J. Abrams, Taking Back Sunday

Rev. Jesse Jackson, Jimmy Bennett, Nick Lachey

Jamie Kennedy, Daryl Hannah, Jonathan Rice

Reggie Bush, Pat O'Brien, Lacuna Coil

Carl Reiner, Ashley Tisdale, Ivan Kane's Royal Jelly dancers, Martin Fry

Famke Janssen, Jared Leto, 30 Seconds to Mars

Kathie Lee Gifford, Isaiah Washington, Art Brut

Chris O'Donnell, American Chopper Guys

Sir Ian McKellen, Jared Leto, Franz Ferdinand

Jenny McCarthy, Seth MacFarlane, The Cult

Joe Gannascoli, Kellie Pickler, Adam Carolla, Godsmack

Susan Lucci, Adam Carolla, Rihanna

Guy Pearce, Ludacris, Atmosphere

LL Cool J, Robert Klein

Natasha Henstridge, Robert Wuhl, the cast of MTV's "Call to Greatness"

Regis Philbin, Barry Watson, Mike Birbiglia

Eva Longoria, Dick Cavett, Dresden Dolls

Cheryl Hines, Landon Donovan, Bril

Paula Abdul, Enrico Colantoni, Mighty Gonzalez

Charlie Sheen, Rube Goldberg Contest winners, K.T. Tunstall

Wilmer Valderamma, Chris Elliott, The Wiggles

Chris Matthews, Craig Bierko

Rebecca Romijn, Judge Marilyn Milian, T-Pain

Tori Spelling, C. Thomas Howell, T.I.

Carmen Electra, David Gest, People in Planes

Anthony Anderson, Pete Rose

Seth Green, Chop from "King of Cars," Anthony Jeselnik, John Anderson

Kiefer Sutherland, Rocco DeLuca

Jamie-Lynn Sigler, Larry the Cable Guy, Gogol Bordello

George Lopez, Duane "Dog" Chapman, the Sounds

Hulk Hogan, Yunjin Kim, Harold & Darrell Allen

James Caan, Justin Chambers, The Tossers

Randy Jackson, Janet Reno, Hard-Fi

Adam Brody, John Cena, Juvenile featuring Galactic

Ice Cube, Elantu B. Veovode, Nine Black Alps

John Lydon, Orlando Jones, Jim Gaffigan

Michael Rapaport, Elisha Cuthbert, Matisyahu

Amanda Bynes, Chuck Lidell, Jamie Cullum

Zooey Deschanel, Dave Sheridan, Panic! At the Disco

After the Academy Awards

Jamie Oliver, Sasha Cohen, OK Go

Stacy Keibler, Howie Mandel, Three Six Mafia

Kelly Ripa, Tracy Morgan

Paul Walker, Hannah Teter, Bow Wow, Travis Barker

Cuba Gooding Jr., Mike Birbiglia

Simon Cowell, Jennifer Esposito, Dilated Peoples

Kathie Lee Gifford, Yehya Mohamed, Augustana

Shaun White, Steve Harvey, Hawthorne Heights

Jack Osbourne, Carolyn Murphy, Dem Franchize Boyz

Fred Savage, Harold Perrineau Jr., Yellowcard

Flavor Flav

Freddie Prinze, Jr., John Daly, Jacks Mannequin

Steve Coogan, Travis Stork, Daddy Yankee

Nick Cannon, Kathy Griffin, Damian Marley

Wilmer Valderrama, Dan Naturman, Golden Brooks, Dwight Yoakam

Jorge Garcia, Dan Naturman, Nelly

Mischa Barton, Travis Barker & Shanna Moakler, James Blunt

SuperBowl Episode

Jessica Alba, Anthony Anderson, The Four Tops

Michael Irvin, Jeff Daniels, The Four Tops, Buddy Guy

David Spade, Rob Schneider, Jon Heder, Dwele

Kid Rock, David Alan Grier

Martin Lawrence, Dem Franchize Boyz ft. Bow Wow, Jermaine Dupri

Jerry Rice, Mike Epps, Mike O'Connell

Regis Philbin, Jordana Brewster, She Wants Revenge

David Gest, Feist

Method Man, Motion City Soundtrack, Jerry Bruckheimer

Adewale Akinnuoye-Agbaje, Drew Lachey, Chamillionaire ft. Lil' Flip

Michael Chiklis, Roselyn Sanchez, Bo Bice

John Mayer Trio, Steve-O

Evangeline Lilly, Jonathan Rhys-Meyers, Giant Drag

David Boreanaz, Henry Phillips

Quentin Tarantino, Tia Carrere, John Daly

Dominic Monaghan, Lil' Wayne

Cheryl Hines, David Banner

John Mayer Trio

Carmen Electra, Autolux

Al Sharpton, Kenny Mayne

George Lopez, Giuliana DePandi, My Chemical Romance