Erik Per Sullivan is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

 best known for his role as Dewey, the younger brother to middle child Malcolm, on the FOX

Fox Broadcasting Company

Fox Broadcasting Company, commonly referred to as Fox Network or simply Fox , is an American commercial broadcasting television network owned by Fox Entertainment Group, part of Rupert Murdoch's News Corporation. Launched on October 9, 1986, Fox was the highest-rated broadcast network in the...

 series, Malcolm in the Middle

Malcolm in the Middle

Malcolm in the Middle is an American television sitcom created by Linwood Boomer for the Fox Network. The series was first broadcast on January 9, 2000, and ended its six-and-a-half-year run on May 14, 2006, after seven seasons and 151 episodes...

which was on air for 6 years.
His father, Fred Sullivan, owns a Mexican restaurant in Milford, Massachusetts

Milford, Massachusetts

Milford is a town in Worcester County, Massachusetts, United States. It had a population of 27,999 at the 2010 census.For geographic and demographic information on the census-designated place Milford, constituting the center of the town, please see the article Milford ,...

 called The Alamo. His mother, Ann, was born in Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

, and was naturalized as a US citizen in 2007. He speaks fluent Swedish, and his family visits Sweden almost every year.