The 20 Funniest Celebrities on Twitter

Tim Heidecker is one half of the sketch comedy duo Tim and Eric, who are responsible for the Adult Swim series Tim and Eric Awesome Show, Great Job. His Twitter account, much like his TV show, is very, very strange an very, very funny.

Sample Tweet: "Les Paul? I agree. I prefer John's songs."

Rob Corddry is an actor and comedian who used to be a correspondent on Comedy Central's The Daily Show and has had roles in HBO's Curb Your Enthusiasm and the films Harold & Kumar Escape from Guantanamo Bay, What Happens in Vegas and Oliver Stone's W.

Sample Tweet: "My wife calls normal oral sex '69, one at a time'. You're welcome."

Jon Friedman is a stand-up comedian and author/editor of the book Rejected and founder of The Rejection Show.

Sample Tweet: "I always get confused by the phrase "stop, drop, and roll." The "stop" part doesn't belong. That's just extra time for being on fire."

Jimmy Fallon's numerous comedy credits include the host of NBC's Late Night with Jimmy Fallon, Weekend Update anchor on Saturday Night Live and star of the Farrelly brothers' film Fever Pitch. Fallon's Twitter account is mostly about his comedic observations from the set of Late Night with Jimmy Fallon and he even debuts monologue jokes from the show on his Twitter before they make it on TV.

Sample Tweet: "Big news for American Idol fans. Simon Cowell is going to be re-signed for at least three more seasons. Cowell was so excited-his nipples actually tore through his shirt."

Mitch Fatel is an incredibly funny stand-up comedian who has numerous appearances on the Late Show with David Letterman the Tonight Show and Comedy Central under his belt. His Twitter account is filled with jokes and humorous observations and is a must-read.

Sample Tweet: "Waiting for Mom to bail me out. Since when is masturbation on a subway a crime? Good ol Govt chipping away at our rights one at a time. Sad."

Ellen DeGeneres is a stand-up comedian and actress who is currently the host of her own daytime talk show, The Ellen DeGeneres Show. DeGeneres' Twitter account, like Stephen Colbert and Jimmy Fallon's Twitter accounts, is dedicated to funny stuff related to her TV show.

Sample Tweet: "If Popeye were dating Pink, then people would call them Pinkeye."

Michael Ian Black is a comedian and actor who's starred in various comedies on TV, from MTV's The State to Comedy Central's Stella and Michael and Michael Have Issues. Black is also well known as a commentator on VH1's pop culture series I Love The 80s. His Tweets are hilarious.

Sample Tweet: "Something that's been bugging me for years: the sequel to "Scooby Doo" should have been called 'Scobby Doo Deux.'"

John Cleese was a writer and performer on their late 60s/early 70s BBC sketch comedy show Monty Python's Flying Circus and starred in all three of the Monty Python films (Monty Python and the Holy Grail, Monty Python's Life of Brian and Monty Python's The Meaning of Life). He's also starred in the British sitcom Fawlty Towers and the film A Fish Called Wanda and has done numerous TV, film, stage and radio work as well. In fact, it's somewhat shocking something this busy has time for Twitter. But never look a gift comedian in the mouth!

Sample Tweet: "My pro-state of the union address is this - every day, in every way, I'm getting better. Although, I think that Garry is drugging me..."

Russell Brand is a British stand-up comedian who starred in the 2008 comedy Forgetting Sarah Marshall and hosted the 2008 and 2009 MTV Video Music Awards. Brand's humor is slightly naughty, very smart and always funny and his Twitter account reflects that sensibility to a T.

Sample Tweet: "I love NY and it's inhabitants. I could wander the street licking people's faeces just to convey my affection. Sorry, I meant faces. Either."

Todd Barry is a stand-up comedian who specializes in cynical, biting observations delivered in a barely-alive monotone. He's also one of the funniest stand-up comedians to ever pick up a microphone. His Twitter account is hilarious and a must-read.

Sample Tweets: "So bored at the airport, I just smiled at a baby to kill time."