"Oh, I have to go first, okay. Prepare yourself because there are two layers to this," he said.

Then he puffed himself up and said, somewhat dramatically, "Hiccup Horrendous Haddock the Third."

He held up a finger, as if Sirius wasn't allowed to comment yet.

"And the second layer to this is I'm the third. Two other people in my family ancestry have been actually been given that name. After the first one, two whole other sets of parents actually thought that was a good idea, my own included."