Kenneth may have lost much of its luster now, but Kenneth has had its moments of glory. The first king of Scotland was Kenneth, and Sir Kenneth, a Christian crusader, was the hero of the Sir Walter Scott novel The Talisman.
In this country, Kenneth was a Top 20 name from the 1920s through the 50s. And of course for many girls growing up, Ken was the name of Barbie's eternal boyfriend and ultimate dream date. Most recently, Kenneth Ellen (!) Parcell was the naive, perpetually smiling character on 30 Rock.
There have been a number of musical Kenneth/Kennys--Kenny Chesney, Kenny Rogers, Kenny Loggins, and Kenneth "Babyface" Edmunds.