Because you like Jake in Adventure Time

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

Although Borat has a curious mind, he has no filter, and some very out of date views on just about everything. See them in Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan.

Dean Forester is just your friendly, neighborhood grocery bag boy. See them in Gilmore Girls.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

NiGHTS is a powerful but childlike spirit who hates being told what to do. See them in NiGHTS into Dreams.

Tina Belcher is on the cusp of puberty, and she has no shame when it comes to boys, butts, and brassieres. See them in Bob's Burgers.

Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.