Because you like Ratchet in Ratchet & Clank
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
Southern belle Scarlett O'Hara is a heart-melter who has no problem looking after herself. See them in Gone with the Wind.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.
Bojack Horseman is a former sitcom star who loves sharing his opinions with anyone who will listen. Oh, and drinking. A lot! See them in Bojack Horseman.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.