Erik Per Sullivan was born on July 12, 1991, in Worcester, Massachusetts. By the early 2000s, he was a face familiar to millions of living rooms, courtesy of one unforgettable performance: Dewey Wilkerson on Malcolm in the Middle. Erik was just seven when he landed the role. Portraying Dewey, he was the overlooked youngest brother, seemingly brilliant, wonderfully quirky, and generally smarter than anyone credited him with being.
In seven years, Erik Per Sullivan evolved from the cute little kid to one of the series' most intriguing, multidimensional characters. With a sensitive face, good comic sense, and an ability to reveal Dewey's rich inner life, he made what could have been a throwaway role into something substantial. Malcolm in the Middle fans attribute that to Dewey.
After the show concluded in 2006, Erik Per Sullivan did not seek more fame. He did have some roles afterwards, but he just retired from acting. He decided to attend college instead, devoting himself to intensive study of Victorian literature at a top American university.
It's one of those things Dewey would have actually done. Erik's Hollywood departure is only an addition to the mystery of his life and the endearing eccentric character he left behind.
The wild, weird world of Malcolm in the Middle

Malcolm in the Middle first aired on TV in January 2000 and quickly made a name for itself. Created by Linwood Boomer, the show described the Wilkersons—a lower-middle-class family of unknown name plodding through the absurd humor of suburban existence.
It ran for seven seasons, ending in May 2006, and became known for breaking sitcom traditions: no laugh track, single-camera setup, and quick-witted, odd, often brutally candid humor.
At the center was Malcolm (played by Frankie Muniz), a prodigy child stuck in a high-IQ class called the "Krelboynes." Around him was a family that was real in all their flawed beauty. There was Lois (Jane Kaczmarek), the domineering, hot-tempered mother; Hal (Bryan Cranston), the nice but dim-witted dad; Francis (Christopher Masterson), the talkative oldest son; Reese (Justin Berfield), the adorably dumb and irresponsible middle son; and Dewey, naturally, who started life as the youngest tag-along kid but developed a lot further.
What was so great about Malcolm in the Middle was that it presented family life without whitewashing it. The Wilkersons weren't perfect. They were poor, dysfunctional, and chronically making disastrous choices. But in the midst of the mayhem, the show struggled with big issues—such as what intelligence means, how hard it is to be heard, and how messy family love gets when nobody really "gets" you.
Dewey's journey is one of the strongest representations of this. He was the baby of the family for the early years, present for cute lines and comedic moments. But slowly, Dewey stole the show.
Unseen and unrewarded initially, Erik Per Sullivan's character later proved to be imaginative, tough, and even intolerably wise.
Erik Per Sullivan as Dewey: The unsuspecting heart of Malcolm in the Middle
"Dewey's Opera" (Season 6, episode 11)

The moment Lois buys a new king-size bed, Hal believes that she is trying to put distance between them. Their bickering escalated into full-blown drama, something most children would shun or shoot down with their ears plugged. Not Dewey, though.
Bored one night, having watched an opera on TV, he turns the family drama into art. He writes and sings his own opera, "The Marriage Bed," from beginning to end using material taken from his parents' fights. Dewey even makes his classmates act it out at school.
It's not just a waste of time—it's his ingenious way of coping with the trouble at home. This is exactly how fantastically creative and sensitive to feelings Dewey actually is.
Rather than having tantrums like Reese or over-intellectualizing like Malcolm, Dewey projects his feelings into something intelligent and perceptive.
Erik Per Sullivan is perfect for an acting job that captures the childlike naivety and contained fierce rebellion of Dewey.
"Dewey's Special Class" (Season 5, episode 8)

A paperwork error puts Erik Per Sullivan (Dewey) in a special class for mentally challenged children. While plenty of kids might try to escape or feel embarrassed, Dewey discovers that his new classmates are being underestimated and forgotten by the school.
Rather than spending the time exploiting them or indulging in self-pity, he stands up for them. Dewey educates them, builds their self-esteem, and speaks to them with equality.
This is one of those scenes that helps to demonstrate Dewey's exceptional empathy and social insight, qualities not usually seen in his brothers. He is forced into the position of sympathetic peer and even mentor and demonstrates for us that he's mature and astute well beyond his years.
"If Boys Were Girls" (Season 5, episode 10)

Lois gets caught up imagining how her life would have been if she had daughters instead of sons. In this cheery fantasy, Dewey's feminine counterpart is the only person who still shows his same sweetness and thoughtfulness.
This positive resolution highlights something essential about Dewey's personality: no matter what the circumstances are, his kindness, emotional sensitivity, and sense of reason remain unchanged.
The scene is a fun way of showing that Dewey's finest traits aren't random—they're part of who he is.
"Ida's Boyfriend" (Season 5, episode 14)

When their cranky, abrasive grandma Ida shows up with her newest beau in town, the whole family is nervous and keeps to themselves. But Erik Per Sullivan has absolutely no notion at all of why he's supposed to keep it cool.
He welcomes the boyfriend more with good-natured curiosity and generosity. His open-minded reaction indicates that he is not one to leap to judgment on family authority or old scores.
Dewey's ability to see beyond his family's prejudices and alongside individuals on his terms distinguishes him as the most liberal of the Wilkerson children.
"Malcolm Holds His Tongue" (Season 5, Episode 6)

This episode demonstrates that Erik Per Sullivan is more than nice and thoughtful—he's also cleverly cunning. While Malcolm brags about being so intelligent and Reese tries to bulldoze over problems, Dewey plots behind the scenes, manipulating family situations to his advantage.
His plans are subtle, so hardly anyone notices them happening. Dewey proves he's more than a hapless victim of the chaos in the Wilkerson home. He masters how to survive in it—and even use it to his own benefit—with a secret swiftness and cleverness that his brothers never quite manage.
"Lois Strikes Back" (Season 7, episode 16)

Lois is bullied by high school girls with pranks, and the rest of the family simply blows it off. Dewey, however, is not going to just sit on his hands and do nothing.
He joins forces with Lois to have some crazy revenge performed. His dedication to defending his mom, even if everyone else doesn't care or is angry at her, speaks highly of his honor and loyalty.
Dewey will jump in and risk something for those he loves, and his ingenuity makes their repayment all the greater.
"Baby, Part 1 & 2" (Season 4, episodes 16-17)

As baby Jamie is born, Erik Per Sullivan often ends up being more of a caretaker than his actual parents. With Lois and Hal occupied (or embroiled in their own perpetual soap opera), Dewey has surprising amounts of responsibility and is a guardian of Jamie with patience and even affection.
It's a melodramatic role reversal from his selfish or inept older brothers, who usually are. Dewey's flexibility and willingness to subjugate himself serve to demonstrate just how unselfish he can be.
"Reese Joins the Army" (Season 5, episode 21)

While Reese simply states that he is joining the army, the entire family has to adjust to a different dynamic. Dewey, as flexible as he is, comes up with innovative means of staking out his own space and still surviving, regardless of how much the rest changes.
This episode is an excellent example of how Erik Per Sullivan rolls with the punches of life. While Malcolm will worry and panic, Dewey learns to maintain his own individuality and sense of balance and demonstrates he can weather disruption in a very commendable manner.
"Graduation" (Season 7, episode 22)

The series ends with a wicked flourish: as Malcolm is prepared for a life of struggle and command, Dewey is seen to be the recipient of the family's little-known privilege. It's a rich payoff that makes Dewey's hidden victory worthwhile.
Throughout the show, he's waited patiently in silence, being intuitive and empathetic, and now it all pays off for him. This twist flips expectations, rendering Dewey's insidiously masterful cleverness one of the show's most long-played games.
"Water Park" (Season 1, episode 16)

The Wilkersons take Erik Per Sullivan out of the house and drop him off with a nurse toward the end of season one so that they can all go have fun at a water park.
But Dewey doesn't pout and complain—he slips away, goes on his own adventure, and enjoys himself. Already at such a young age, Dewey is letting the world know that he is independent, is able to think and act fast, and is capable of stealing the spotlight from his older brothers.
This first episode is only the tip of the iceberg for the intelligent, tough, astute character that he becomes in the next six seasons.