Because you like Jemaine Clement in Flight of the Conchords
Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.
Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.
This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.
After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..
Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.
Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.