Bentley Gregg (John Forsythe, "Bachelor Father," 1957-62, CBS/NBC/ABC): Though he had plenty of female friends, attorney Gregg also was responsible enough to raise his niece.
Bill Davis ( Brian Keith, "Family Affair, " CBS, 1966-71): Bringing up his orphaned nieces and nephew usually didn't cramp the romantic life of civil engineer Davis.
Amos Burke (Gene Barry, "Burke's Law" and "Amos Burke, Secret Agent," ABC, 1963-66): Crime solver Burke lived the high life very visibly, which was of natural appeal to many women. ("Burke's Law," with Barry again, had a mid-'90s revival on CBS.)
Tom Corbett ( Bill Bixby, "The Courtship of Eddie's Father," ABC, 1969-72): With much input from his young son, widower Corbett often played the game of love.
Remington Steele ( Pierce Brosnan, "Remington Steele," NBC, 1982-87): Even if in the end he was a one-woman man -- that woman being detective agency boss Laura Holt -- the debonair gent who stepped into the Steele role she devised knew how to turn his charm on the ladies. And he turned it on a lot.
David Addison ( Bruce Willis, "Moonlighting," ABC, 1985-89): Until he finally settled down with his detective agency boss, Maddie, thus generating what has been referenced as "the 'Moonlighting' curse" ever since, the smart-alecky Addison made the rounds romancewise.
Joey Tribbiani ( Matt LeBlanc, "Friends," NBC, 1994-2004): Yes, there was Ross and yes, there was Chandler ... but only one of the male "friends" had the surprisingly successful come-on line, "How YOU doin'?"
Charlie Harper ( Charlie Sheen, "Two and a Half Men," CBS, 2003-11): Say what you will about his methods and morality (or lack thereof), Charlie was one of television's ultimate representatives of noncommittal male romantic brio in his time on this sitcom.
Barney Stinson ( Neil Patrick Harris, "How I Met Your Mother," CBS, 2005-present): Though he has made some romantic connections that lasted a while, Barney is -- wait for it! -- awesome in his ultimate singlehood.
Photo/Video credit: NBC/CBS