Adelaide Horrendous Haddock

Adelaide Horrendous Haddock is a member of the Hairy Hooligan tribe and descends from the Horrendous Haddock family.

Biography
Adelaide is the only daughter and second-born child of Fainting Freda and Baggybum the Beerbelly. also has another brother, who is next in line. It can be assumed that should something happen to Hiccup or Snotlout, she could possibly become the next chief, or her husband would take over and Adelaide would be acting chief in his absense