Because you like Nina Sayer in Black Swan
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.
Insightful about everyone else's neuroses, Rose Lalonde is not as aware of her own. See them in Homestuck.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
While he might drive colleagues crazy with his antics, Jake Peralta cares about the Nine-Nine more than most things. Including personal hygiene. See them in Brooklyn Nine-Nine.
Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.
Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..
A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.
Because of Miles Edgeworth, the truth will always make itself known. See them in Ace Attorney Series .