Because you like Geordi La Forge in Star Trek: The Next Generation

Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.

Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.