   You may not know what Billy West looks like, but you've
probably heard his voice. He is a vocal artist who has done
everything from classic cartoon character to dead on celebrity
impressions. For several years he appeared regularly on "The
Howard Stern Show." Billy West created several of the voices for
Matt Groening animated comedy series "Futurama."  When FRESH AIR
contributor Dave Davies spoke with West, they began with one of
the more exotic "Futurama" characters whose voice Billy West
created.  DAVE DAVIES: Now there's Zoidberg. Tell us what
Zoidberg looks like, and give us his voice.  Mr. WEST: Zoidberg
is sort of a fleshy sort of orange color, and he has a lot of,
like, tentacle things hanging from his mouth. That is his mouth.
And he's a crustacean, and he's got claws, and he wears, like,
almost doctor whites or, you know, intern whites for clothes,
and he wears sandals for some reason.  And he's poor, and he's a
doctor. That's what I love the best about him, he's poor. You
know, he's always like,