Because you like Eric Effiong in Sex Education

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.

Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

Thanks to the contributions of this 14-year-old, the world is only occasionally destroyed by his grandfather. See them in Rick and Morty.

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.

Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.