I can see most of the correlations (Ranma = Asterix, Kuno = Cacofonix,
etc...)  However, I'd suggest Genma instead of the village chief, if only
because of that book where he's forced to go to that weight loss spring.

How about Akane as Unhygenix, the fishmonger?

-Natsume Ranma Ranma
-------
The sardines weren't worth the trouble.  A few more shots, then 
Ryoga-san would overheat and explode.  Ducking around a corner, 
I managed to lose him as I entered the ramshackle residence of 
my Anime supplier.

One look at his face and I knew that I was betrayed.  "Tell me."
I insisted.  He refused, so I slammed him against the wall.
"Last chance.  Where can Ranma-Ranma find good fanfics?"
"Try Jason Liao." he whispered, before he slumped to the floor.
I heard the sounds of a door splintering as I left through the 
window, one step ahead of Tendo Heavy Industries...