Because you like Michael Vaughn in Alias
Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.
A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.
A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.
Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.
Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.