Because you like Zenitsu Agatsuma in Demon Slayer
Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.
Ted Mosby is a hopelessly romantic architect in search of someone to be the mother of his children. See them in How I Met Your Mother.
Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.
Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
When it comes to Haruko Haruhara, there's more to the pink-haired biker than meets the eye. See them in FLCL.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.
The White Queen been treated horribly, but the day of her victory is almost near. See them in Alice in Wonderland.
A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.
Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.
When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.