Astrid Hofferson is Hiccup's girlfriend. She is a tough, ambitious, determined and strong Viking. This has brought her the respect of the other inhabitants of Berk. She's always there to help Hiccup out.
Stormfly is Astrid's dragon and a female Deadly Nadder. She is extremely fast and accurate, which she has proven several times already. She and Astrid are a great team and really understand each other.