Who voices Homer Simpson in 'The Simpsons'?

In which TV series is The Ghoul a main character? Who played Dr. Robby Robinavitch in 'The Pitt'? In which TV series is Dr. Robby Robinavitch a main character? Who played Tanya McQuoid in 'The White Lotus'? Who voices Marge Simpson in 'The Simpsons'? Who voices Bart Simpson in 'The Simpsons'? Who voices Lisa Simpson in 'The Simpsons'? Who voices Peter Griffin in 'Family Guy'?