Because you like Frederick Frankenstein in Young Frankenstein

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.

A man of the court, Lord Varys knows how to manipulate it better than anyone. See them in Game of Thrones.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

Derek Morgan is thoughtful and kind, but he won't say no to knocking the occasional door down when he gets the chance. See them in Criminal Minds.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

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.