Because you like Knuckles the Echidna in Sonic the Hedgehog

Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.

Intelligent and confident, Maeve Wiley grew up alone and has no problem hitting you in the crotch if you disrespect her. See them in Sex Education.

Shy and nerdy, Gabriella Montez moved to Albuquerque and quickly became the toast of East High and a darling of the stage. See them in High School Musical.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Barry Egan has too many anger issues to list here. See them in Punch Drunk Love.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

When it comes to teaching somebody discipline, Levi Ackerman thinks pain is the most effective way. See them in Attack on Titan.

Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.

Veronica Lodge is a sophisticated girl who always, no matter what, absolutely gets what she wants. See them in Archie Comics.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.