You can now offiically call him Senator Al FrankenAl FrankenLive coverage: Day three of Supreme Court nominee hearing Dems land few punches on Gorsuch Overnight Regulation: Dems punch back in fight over CEO pay rule MORE.

The Minnesotan was sworn in about an hour ago by Vice President Joe BidenJoe BidenBiden the ex-VP meets Biden the dog Biden warns against GOP health bill: ObamaCare is 'peace of mind' Biden on Trump, Russia relationship: 'What in the hell are we doing?' MORE, giving Democrats a 60 seat supermajority in the Senate.

Former Vice President Walter Mondale, a fellow Minnesota Democrat, accompanied Franken to the Senate floor. Franken said earlier today that he hopes to be the "people's proxy" in the Senate.