User blog comment:Neowitch/684 - Trash Can Syndrome/@comment-4904935-20121011200252/@comment-5115277-20121012104248

The big thing that looks like a Den Den Mushi is... a Den Den Mushi. It's a Vegapunk-personalized Video Den Den Mushi.

As for the dragon, unless you're suggesting that there's a second person on Punk Hazard who speaks like a childish samurai and got transformed into a dragon, it's proooooobably definitely Momonosuke.