Animation World Magazine's website has an in-depth article on the life of actor, Arthur Q. Bryan.
He was as rare as a voice actor could be because his name may not be well-known, but I bet his voice was.
A famous catchphrase he spoke was:
"Be vewy, vewy quiet. I'm hunting wabbits! Hehhehheheheh.."
Click the link to read more on this underrated voice actor!