Because you like Chef in South Park
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.
For Lee Everett, every day is now just another struggle to collect supplies, find other survivors, and stay alive. See them in The Walking Dead (Video Game).
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.
A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.
A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.