Thugheart

=== '''Thugheart is the Founder of the Outcast Tribe (which was previously called the Treacherous Tribe). He was the First Chief, eldest son of Grimbeard, and grandfather of Alvin the Treacherous.'''===

Life
Thugheart was the eldest son of Grimbeard the Ghastly, s competitive viking who made his father proud. When Hiccup II became Grimbeard's favourite, the jealous Thugheart plotted to overthrow his father and brother. He conspired with the King of the Mainland. He convinced Grimbeard that Hiccup II was a traitor, causing Grimbeard to kill Hiccup. When Grimbeard soon realized his mistake, and who the real traitor was, he fought and defeated Thugheart and the King. Thugheart was banished to the Outcast Lands, where he rallied some exiles into a tribe. The Outcast Tribe. He married Sychofanta, and had one son. His grandson, Alvin became chief. Thugheart died of old age later.

Appearance
Thugheart was described as being the spitting image of his father, Grimbeard the Ghastly