Because you like Alison Scott in Knocked Up
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
Barry Allen is a nerd, forensics expert‚ and superhero with supersonic speed who is determined to solve his mother's murder. See them in DC Extended Universe.
A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.
With great power comes great responsibility, but Peter Parker always seems to get the short end of that bargain. See them in Marvel Cinematic Universe.