Here's Mokuren from Please Save My Earth as a kid:


And here's Lum-chan from Urusei Yatsura as a kid:


Naughty Ranma as a kid:


If you click on the following links, we have LOTS 
of cels of the Shamanic Princess characters as 
kids :)

OVA 3 
Cels

OVA 5 
Cels

And we have tons of the DBZ characters as kids 
^_^;;

DBZ Cels

Thanks for looking ^_^

Misa & Casey