Seriously, let's be realistic...there are TOO 
many coincidences. Look at the crews of their 
subs. You might has well have lifted the 
character designs in plopped them into Disney 
style. Mysterious blue crystal that the heroine 
doesn't know about? Hmmm...sounds familiar. I 
understand that they're BASED from the same 
thigns, but that doesn't mean one doesn't rely on 
the other. The guys who came up with Nadia 
ADMITTED to watching anime...

Just, um, go read the articles I linked, and 
you'll understand...

-Misha-chan