[He's surprised. He'd gotten the feeling Egon didn't want a costume... or had other plans and concerns. But he's also pleased...]

Do you have any idea what he'd like as a costume?

Precision... the truth is I've got a very good eye. Between your measurements and my own guesses, it's likely to fit very well, so long as it's not close-fit like yours.

So... The time of year matters, for some reason? I find that aspect of the supernatural strange. Even a bit funny. Sparking doesn't depend on the dark of the moon or the right holiday to work properly.

[He's begun to transform a dummy into a doppelganger. There will be moments when she should almost feel reality shifting a little, as he makes things do what they're not quite intended to do. His spark is beginning to return...]