I've been meaning to comment on this for a long time...
Is it just me, or do many of the guest/celebrity voices on the Simpsons sound nothing like the person in question. Over the years there have been a number of guests who I am *very* familiar with, and their voices sound *nothing* like their real voice. I suspect there might be a lot of processing used to achieve a consistent sound - that may explain it?
I doesn't actually bother me - but I am very curious about it, and why it is so.
Cheers,