Because you like Audrey Horne in Twin Peaks
Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.
Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.
Mike Lane is magnetic, beefy, and street-smart, but how long can he keep up with the red-light scene? See them in Magic Mike.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.
Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.
Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.
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..
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.