Igor?' said Moist. 'You have an Igor?'
Oh, yes,' said Hubert. 'That's how I get this wonderful light. They know the secret of storing lightning in jars! But don't let that worry you, Mr Lipspick. Just because I'm employing an Igor and working in a cellar doesn't mean I'm some sort of madman, ha ha ha!'
Ha ha,' agreed Moist.
Ha hah hah!,' said Hubert. 'Hahahahahaha!! Ahahahahahahhhhh!!!!!-'
Bent slapped him on the back. Hubert coughed.
Sorry about that, it's the air down here,' he mumbled.

Auteur: Terry Pratchett