Because you like Clementine Kruczynski in Eternal Sunshine of the Spotless Mind
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
Cisco Ramon is a proud, enthusiastic member of a superhero support team. See them in DC Extended Universe.
Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.
Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.
Wei Shen is an undercover cop on a mission for justice (or at least vengeance). See them in Sleeping Dogs.
China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.
Ezio Auditore Da Firenze is a little short-tempered, a lot fun-loving. See them in Assassin's Creed Series.
Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.
A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.