Erik Per Sullivan

Sullivan was born in Worcester, Massachusetts. His mother was born in Sweden and was naturalized as a US citizen in 2007.[1] He is an only child.[2] He speaks a little Swedish,[3] and his family visits Sweden almost every year.[4] At a young age he began studying piano and the saxophone.[5] He has a first-degree black belt in taekwondo.[6]

Sullivan has played a variety of characters in film and on television, including the title role in the independent film Mo, and voicing Sheldon the Seahorse in both the animated film and the video game He was also a starring role in the movie, Christmas with the Cranks.

From January 9, 2000, to May 14, 2006, he played Malcolm's younger brother Dewey in the Fox sitcom Malcolm in the Middle. In 2005, along with Malcolm co-star Jane Kaczmarek, he wrote the afterword to the children's book Together, which is about farming and was inspired by the nonprofit organization Heifer International.

His last known acting credit was appearing in the 2010 film Twelve.

• Erik Per Sullivan at IMDb