Although he continues to be exasperated and irritated by his antics, over the progression of the show's run, Carl develops a fondness for Steve that surprises even himself.
Carl is an officer for the Chicago Police Department.
Reginald Vel Johnson later made one appearance on Perfect Strangers in the 1988 episode "Crimebusters" as Carl Winslow, policeman and husband of Harriette Winslow.Due to large popularity of Payton's character with audiences, the character was spun off to its own show, Family Matters.Although Steve is relentlessly annoying and has cost the Winslow family large amounts of time and money from his own clumsy demeanor, he has shown he's more mature than Eddie is in accepting responsibility.Carl is often there to back Steve up and help him out in times of distress.Harrison eventually joined the main cast in the 1992–1993 season.
Soon after, Michelle Thomas was cast in the role of Myra Monkhouse, love interest and later girlfriend of Steve Urkel.
Both are about a married couple with three children living in a Midwestern city.
In each series, a minor character introduced as an afterthought quickly becomes wildly popular and dominates the show, one of the three original siblings mysteriously disappears and is never mentioned again, and the person for whom the show was created for in the first place eventually leaves it entirely.
Initially cast on a recurring basis, Thomas joined the main cast as a regular in the 1994–1995 season.
In the 1996–1997 season, Orlando Brown was added to the cast as Jerry Jamal "3J" Jameson, a troubled youth being mentored by Steve who becomes the foster child of the Winslows.
As it went on, Steve came to dominate the show, and more and more episodes revolved around him and his wacky sci-fi inventions.