Because you like Rogue in X-Men Series
Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Veronica Sawyer thinks that if you were happy every day of your life you wouldn't be a human being, you'd be a game-show host. See them in Heathers.
Ichigo Kurasaki is a short-tempered, strong-willed teen who is deeply protective of those he loves. See them in Bleach.
Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.
An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.
Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.
A reformed former outlaw, John Marston doesn't want any trouble, yet somehow trouble always seems to find him. See them in Red Dead Redemption.
A powerful dragon-hunting warrior, Dovahkiin is destined for great things. See them in The Elder Scrolls V: Skyrim.
Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.