1. Butters Stotch: The Master of Edge-Case QA and Resilient Systems Let’s talk about Butters . He is innocent, sweet, constantly gullible, and easily manipulated. If Cartman tells him to jump into a meat grinder, Butters will do it—and apologize for making a mess. In the world of programming, Butters is your user base. But he is also your ultimate QA Engineer. // How we think users use our API: const userAction = registerUser ({ name : " John " , age : 30...