<P> Her other film and television credits include Kate and Leopold , Aqua Teen Hunger Force , Snake ' n ' Bacon , Norbit , Get Him to the Greek , Conviction , Cheap Seats , Freak Show , Cirque du Freak : The Vampire 's Assistant , Adam and Steve , The Goods : Live Hard , Sell Hard , Delirious , Australian show Good News Week , Law & Order : Special Victims Unit , Law & Order : Criminal Intent , The Education of Max Bickford , Comedy Central 's Contest Searchlight , Ugly Betty , How I Met Your Mother , MTV 's Human Giant and Mad Men . She was also a contributor to the sketch / music series The Nighttime Clap on the Fuse music network . She also appeared on Fuse 's original comedy series The P.A. Schaal appeared in two TV pilots written and directed by Jersey City comedian Dan McNamara -- The Calderons and Redeeming Rainbow , both of which were screened as official selections at the 2006 and 2007 New York Television Festivals . She was also in television commercials for Wendy 's , RadioShack , and Starburst . She made an appearance , in April 2008 , on the IFC sketch comedy show The Whitest Kids U ' Know . On April 3 , 2009 she taped an episode of Comedy Central Presents . In 2010 , she added her voice to the PBS Kids GO ! series WordGirl as Victoria Best , a child prodigy whose parents taught her to be the best at everything that she does . Schaal voiced 13 - year - old Mabel Pines on Disney Channel 's hit TV series Gravity Falls . She currently voices the character Louise on the FOX Network series Bob 's Burgers . </P>
<P> Her other film and television credits include Kate and Leopold , Aqua Teen Hunger Force , Snake ' n ' Bacon , Norbit , Get Him to the Greek , Conviction , Cheap Seats , Freak Show , Cirque du Freak : The Vampire 's Assistant , Adam and Steve , The Goods : Live Hard , Sell Hard , Delirious , Australian show Good News Week , Law & Order : Special Victims Unit , Law & Order : Criminal Intent , The Education of Max Bickford , Comedy Central 's Contest Searchlight , Ugly Betty , How I Met Your Mother , MTV 's Human Giant and Mad Men . She was also a contributor to the sketch / music series The Nighttime Clap on the Fuse music network . She also appeared on Fuse 's original comedy series The P.A. Schaal appeared in two TV pilots written and directed by Jersey City comedian Dan McNamara -- The Calderons and Redeeming Rainbow , both of which were screened as official selections at the 2006 and 2007 New York Television Festivals . She was also in television commercials for Wendy 's , RadioShack , and Starburst . She made an appearance , in April 2008 , on the IFC sketch comedy show The Whitest Kids U ' Know . On April 3 , 2009 she taped an episode of Comedy Central Presents . In 2010 , she added her voice to the PBS Kids GO ! series WordGirl as Victoria Best , a child prodigy whose parents taught her to be the best at everything that she does . Schaal voiced 13 - year - old Mabel Pines on Disney Channel 's hit TV series Gravity Falls . She currently voices the character Louise on the FOX Network series Bob 's Burgers . </P>
who plays the voice of mabel in gravity falls
who plays the voice of mabel in gravity falls
Schaal
Schaal