That

That is a Typhoomerang that appears in the game Dragons: Rise of Berk.

Official Description
"There is something deeply unsettling about “That”. The poor Dragon never even got a name. Vikings just keep calling him “That”, and the name stuck."

- Dragons: Rise of Berk

Physical Appearance
That is dark red with a white underbelly and his wings have white edges. He has colourful spot all over his body and blood red claws and horns.