User blog comment:B214/Season 3 confirmed!!!!!!/@comment-188.173.207.40-20141223174204/@comment-24502975-20141225154820

Great Red has massive wings and IIRC is 4-legged. Even for a brief view of the Dragon in the PV, that's not him. It's also too organic to be JD (that's not armor). Most likely it's Tannin, but if it does turn out to be him I'll be really shocked as it doesn't look anything like his LN design.