It's called a Changling
Hope this helped :)
Toothless
'ChangeWing' .
No there is no such thing but there is a type of dragon that is around right now because it has the word dragon in it's name and it spits poison.
nightfury and the queen or king dragon
In how to train your Dragon, Hiccup's Dragon is a Night Fury. Hiccup named it "Toothless".
Hiccup's girlfriend's name is the rider of Deadly Nadder, Astrid.
Frits Spits's birth name is Frits Ritmeester.
The name of the movie which the two-headed dragon is in is How To Train Your Dragon.It's name is the Hideous Zippleback.
I don't think it has a name, but the island is named Berk.
To train to be a ninja, you go to Basho's hut after the match with Yozosumi or whatever his name is. He will train you in the ways of the ninja.
It is How To Train Your dragon. I believe it is spirited away
They will most likely give him or her a name in the cartoon network tv series adaption in 2012, but no. Yes, it's name is Stormfly (from the direct to DVD "Gift of the Night Fury"