Related: 10 Of The Longest Running Talk Shows Of All Time
With a show's grand success, the charm and appeal often times comes from the main character and the actor who portrays them. These characters are fan favorites and it's hard to imagine the show without them. Take for example Mulder and Scully portrayed by David Duchovny and Gillian Anderson on X-Files. It's been a whopping 11 seasons on television but there are characters who outrun them.