Chicago native Kel Mitchell, the thin, hyperactive half of the Kenan & Kel comedy team, made his television debut on the Nickelodeon sketch comedy series "All That". Although his previous experience was only in community theater, the teenaged Mitchell enhanced the series with popular characters like Ed the Good Burger Guy, a confused fast food worker with a high-strung "dude" accent developed by the young actor while watching professional wrestling when he was eight years old. He was a stand out member of the "All That" troupe, particularly as Ed and as the amazingly inept Repair Man, his