It’s Patton Oswalt!
That’s right, it’s the super-nerd behind the Star Wars filibuster on Parks and Rec! You may also know him as a regular on Late Night With Conan O’Brien; a recurring guest star on Two and a Half Men, Justified, and Bored to Death;and as the voice of Remy in Ratatouille.
If you weren’t familiar with this guy’s work already, we hope you at least read his touching message about the Boston Marathon.
The picture was posted on Twitter by Kevin Nealon, who you probably know from Saturday Night Live and Weeds.