Hank Azaria has an amazing voice – or, as fans of The Simpsons know – an amazing 100+ voices.

From Comic Book Guy to Duffman, Super Nintend- uh, Superintendent Chalmers to jailbird Snake – with oodles of one-offs and others in-between – his voice has appeared in every single episode of The Simpsons ever. Like all 650+ of them.

The interview below from The Late Show with Stephen Colbert not only features Hank Azaria recreating two of his most enduring characters – Moe the bartender and Chief Clancy Wiggum – but as they might appear in The Wizard of Oz. We’ll let him tell the story.

But first, the tale of Stephen Hawking and the table read…

Get your classic episodes of The Simpsons at JB Hi-Fi.