Original sentence: Erik Per Sullivan (born July 12, 1991) is an American actor, best known for his role as Dewey, the younger brother to middle child Malcolm, on the FOX series, Malcolm in the Middle.He is mostly known for playing the role of 'Dewey' in the brilliant comedy sitcom 'Malcolm in the Middle'.He is older than 'Jamie' & younger than 'Malcolm', 'Reese' & 'Francis'.The character 'Dewey' is the 2nd youngest of the brothers in the family
Edited sentence: Erik Per Sullivan (born July 12, 1992) is an American actor, best known for his role as Dewey, the younger brother to middle child Malcolm, on the FOX series, Malcolm in the Middle.He co-starred in Malcolm in the Middle as Dewey from 2000-2006.He is currently starring as the title role in the independent film Mo.He played young Joe Dirt in the film of the same name.He was also in the movie Christmas with the Kranks, playing the character of Spike.In 2005, he joined co-star Jerry Trainor in writing the afterword to a children’s book  called Together, which shows the importance of livestock in the world, and was inspired by the mission of the nonprofit charitable organization Heifer International.In the movie Finding Nemo, he voiced Sheldon the Seahorse.It was then announced after the airing on July 2 that a special program called Dewey’s Therapy Sessions would be showing on July 9, featuring Sullivan.One of his many roles includes playing the main character, a child, in the movie Wendigos.Sullivan also played the only child in the movie Unfaithful and played the orphaned child Fuzzy Stone, who suffered from weak lungs in The Cider House Rules.Toward the end of June 2006, he was seen in a specially made advertisement for the airing of the last episode of Malcolm in the Middle on Sky One in the UK