Because you like Oliver Reader in The Thick of It
Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.
Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.
Tom Haverford is set on being a world-renowned entrepreneur who dates models. Problem is, he's stuck in Indiana with a lazy business partner. See them in Parks and Recreation.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.
Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.
Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.
Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.
Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.