Cassoulet: CASSOOLAY

We just found out that Mr. Parfenix did a stint with French Foreign Legion.
Why not?  Woody Woodpecker was in the Legion.
This was after Parf's drug-addled days in his new wave stupor-group THE SMELL.
And what did the ball-busting French Lieutenant call our illustrious pigeon landlord?
Monsieur Cassoulet.
A part of the mystery or a clue to something Mr. P has been hiding?