Because you like Nina Sayer in Black Swan
Using a bracelet his late mother gave him, Apollo Justice can sense when other people are nervous based on even the most subtle signs. See them in Ace Attorney Series .
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.
From his attire to his form while running, aesthetics rule Rei Ryugazaki's life. See them in Free! Iwatobi Swim Club.
The personification of America is all about superheroes, hamburgers, and spreading democracy and justice. See them in Axis Powers Hetalia.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.