Family Matters wouldn’t have had its success without Jaleel White as Steve Urkel. The show, which ran for nine seasons, followed Urkel as the annoying next-door neighbor to the Winslow family.

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His affinity for Laura Winslow and dedication to winning her over was a fan favorite. Strangely, he was never supposed to be a series regular. And once he was made part of the cast on a permanent basis and his fame grew, the rest of the cast were upset about it.