Because you like Jenny Flint in Doctor Who
Anyone who's said "Don't worry, it's just a dream" never met Freddy Krueger. See them in A Nightmare on Elm Street.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.
Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.
An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.
SpongeBob SquarePants lives in a pineapple under the sea. Absorbent and yellow and porous is he. See them in SpongeBob SquarePants.
Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.
The star of every school production since kindergarten and the most popular girl of East High, Sharpay Evans usually gets her way. See them in High School Musical.
Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.
Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.