Funny man Jimmy Fallon is a man of many talents including impersonating our favorite celebrities. His act took a green twist last week when NBC celebrated “Green Week.”

Check out how Lady Gaga, Amy Winehouse, TI, JT and many of your other celebs go green according to Jimmy Fallon. We’re confident you’ll be singing the new hit single, “You’ve got to change your light bulbs-hey!”

In Vanity Fair’s April 2009 issue they give a tribute to the new comedians of our time. Vanity Fair’s photographers capture these funny men and woman as some of our favorite legends, from Russel Brand as Charlie Chapman to Seth Rogen as Frida Kahlo. For articles and video of these comedians visit vanityfair.com

Jonah Hill (Superbad), Paul Rudd (I Love You, Man), Jason Segel ( I Love You Man), and Seth Rogen’s (Knocked Up) tribute to the VF March 2006 cover

Russel Brand (Forgetting Sarah Marshall) as Charlie Chapman

Danny McBride (Pineabpple Express) as Jack Nicholson in The Shinning

Bill Hader (SNL), Anna Faris (House Bunny), Jason Bateman (Arrested Development) and Leslie Mann (Forgetting Sarah Marshall) as The Honeymooners

Amy Poehler (SNL) and husband Will Arnett (Arrested Development) as The Accomplices

Paul Rudd as Dr. Frankenstein

Jason Segel as Buster Keaton

Jonah Hill as George Washington

Seth Rogen as Frida Kahlo