Because you like Artemis Fowl in Artemis Fowl
Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.
Davos Seaworth is steadfast, intelligent, and trustworthy, which are hard traits to find in a place like Westeros. See them in Game of Thrones.
Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.
GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.
All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.