Amy Poehler and her husband, Will Arnett, welcomed a baby boy into their family on Saturday. The 8 pound, 1 ounce arrival has been dubbed Archie Arnett. Poehler, who is a regular on Saturday Night Live and had rehearsed segments for the live show right up until Friday night, is not expected to return to the late night comedy show. She and Arnett (who was born in Toronto) appeared last year on the big screen together as a figure skating brother and sister in Blades of Glory. This is the first child for the couple, who have been married five years.