Because you like Butters Stotch in South Park
Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.
With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.
As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.
A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.
Luke Danes will serve you coffee and always be there for you to help out. See them in Gilmore Girls.
An inquisitive archaeologist, Professor Hershel Layton knows a gentleman leaves no puzzle unsolved. See them in Professor Layton.
The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.
Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.