What is the name of the clown on 'The Simpsons'?

Who owns the Kwik-E-Mart in 'The Simpsons'? What is the name of Homer's boss in 'The Simpsons'? What is the name of the Simpsons' next-door neighbor? What instrument does Lisa Simpson play? In what year did 'The Simpsons' premiere as a half-hour series? In 'Family Guy', in which fictional town do the Griffins live? What is the name of the talking dog in 'Family Guy'? Who created 'Family Guy'?