Ika Wrestler
All we could make out from this Japanese movie promo sheet was "calamari wrestler", but it was enough to sell us completely. Guessing from the most prominent movie still we could find, it's not a nickname :

If you're in Japan on the 17th, try to catch it. We'll be over here, incoherently mumbling the oddly catchy theme song.
Ika Wrestler promo Flash site.
