Because you like Kim in Edward Scissorhands
Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.
Kendall Roy is a wanna be ruthless businessman who comes across more like an anxious teenager. See them in Succession.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.
When their organization was infiltrated by evil HYDRA, who was the one guy Captain America trusted? A former soldier with kickass wings named Sam Wilson. See them in Marvel Cinematic Universe.
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
Meticulous Arthur is always prepared, but he may not be ready to be the point man in the criminal world of dream sharing. See them in Inception.
For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.
Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.
If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.
Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.