VIDEO: Andy Samberg Impersonates Mark Zuckerberg at Facebook Conference

Mark Zuckerberg, Andy Samberg Andy Samberg placed on a hoodie and sandals and busted out his best Mark Zuckerberg impersonation Thursday at Facebook's f8 conference.Fall Preview: Get scoop on all of your favorite coming back shows"I am likely to begin by concentrating on key issues," Samberg opened up. "First: authentic identity. And under this sweatshirt are reliable, cut and greased abs!"The Saturday Evening Live star then boasted about Facebook's growth ("We have got ... more and more people compared to the cast of Glee"), how he chloroformed Bebo and set a "bullet at the back of its skull," and revealed two new Facebook features, "I am Not Necessarily Buddies with one of these People" and "The Slow-Poke," that takes 24 hrs to achieve the individual.Video clip: Jesse Eisenberg and Mark Zuckerberg finally meet on Saturday Evening LiveThe real Zuckerberg eventually crashed the party, which only motivated Samberg to impersonate another "Bergs": Zuckerberg's Social Networking portrayer Jesse Eisenberg and Mark "Say 'hi' for your mother for me personally, OK?" Wahlberg. Discover the shocking truth below: