Because you like Sheldon J. Plankton in SpongeBob SquarePants

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.

Often on the verge of a nervous breakdown, Annie Edison nevertheless manages to be the brain of the Greendale study group. See them in Community.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Everything is handed to Sarah Cameron on a silver platter. The problem is that she doesn't want any of it. See them in Outer Banks.

Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.

Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.

Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.