Because you like Montgomery Scott in Star Trek
If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.
Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.
With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.
Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.
Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.