Because you like Torrance Shipman in Bring It On
Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.
With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.
Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.
Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.
If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).
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.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.
Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.