In 'Family Guy', in which fictional town do the Griffins live?

What is the name of the Simpsons' next-door neighbor? What instrument does Lisa Simpson play? What is the name of the clown on 'The Simpsons'? In what year did 'The Simpsons' premiere as a half-hour series? What is the name of the talking dog in 'Family Guy'? Who created 'Family Guy'? In which state is 'South Park' set? Who created 'South Park'?