Because you like Preston Burke in Grey's Anatomy

Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

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

Joyce Byers isn't crazy. She's just speaking to her missing son across dimensions using Christmas lights. See them in Stranger Things.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

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

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.