Who is Celia Crème?

Who is Celia Crème?

‘Celia! Creme! Where are my damn painkillers?’ he called out into the vast marble atrium at the centre of his enormous mansion. From an upstairs room came the blare of a gramophone. It assaulted his ears and set his head pounding.

I got me a suit and I got me a tie But the only time I’ll wear ’em is the day I’m gonna die!
He scowled. ‘Houndskiffle? In my house!’ he thought.

‘CELIA! Turn that infernal Hound racket off and help me find my painkillers!’