I know this is is a pointless question but does anybody know what the purpose of the transmogrifier sript is?

I seem to recall there is a filter in G'MIC that does nothing. I've never understood what it's there for.

The Transmogrifier is an invention of Calvin's that would turn one thing into another.
Calvin and Hobbes cartoon.

Thanks Rod - you stirred my memory. Great cartoons that remind me of my own childhood.

Who could forget the snow ball fights they had.

there is ..I requested it, i found useful combined with the Gmic input/output options:

as example
input all visible layers output new image, will export all visible layers on a new image
or same output but input active layer and below" will export the active layer and all below on a new image

EDIT hopefully fixed most of the typo

HERE
http://registry.gimp.org/node/26221

I remember the car accident snowmen Calvin made and the comment "We ought to take him to a psychiatrist"