Steve Urkel (Jaleel White ... Of course, it was an attempt at winning the affection of Laura Winslow (Kellie Shanygne Williams, who's still acting as well as advocating for teenagers).

Steve Urkel, a nerdy young boy, first appeared in the 12th episode of season one, smitten with Laura Winslow. Portrayed by Jaleel White, Steve Urkel was initially intended as a one-time character.

(SOUNDBITE OF TV SHOW, "FAMILY MATTERS") KELLIE SHANYGNE WILLIAMS-JACKSON: (As Laura Winslow) I'm going to tell you what I really think of you. WHITE: (As Steve Urkel) Oh. I'm a nerdy, annoying ...

CHANG: Steve Urkel - who doesn't know this name? Who doesn't know that look? - you know, those big glasses, those jeans that were hiked up too high and too tight. And, of course, don't forget those ...