Because you like Neelix in Star Trek Voyager
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
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.