Because you like Stephen Hawking in The Theory of Everything

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

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Wise beyond his years, Ashitaka is a dutiful young prince who respects the balance of life. See them in Princess Mononoke.

Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.

The only thing that can match Rose's looks are her hot temper and free spirit. See them in Titanic.

Quirky and wildly imaginative, Amelie finds joy in the unnoticed things in life and aspires to bring happiness to all. See them in Amelie.

Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.