Because you like Miranda Tate / Talia al Ghul in DC Extended Universe
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
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.
Some might call Jess Mariano mysterious. Others just call him moody. See them in Gilmore Girls.
Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.
A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.
Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.
A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.
Tidus is upbeat, carefree, and desperate not to become his father. See them in Final Fantasy Series.
Short on book smarts but long on compassion, this high school football player secretly has a soulful side. See them in Glee.