History
The Gutbeard brothers were Dark Elves loyal to Malekith the Accursed.[1]
While chasing Dark Elf refugees in Alfheim, they were attacked by the League of Realms who prevented any casualties among those.[1]
The Gutbeard brothers were seemingly killed by Thor, prompting other like Rotjaw to flee away.[1]Paraphernalia
Transportation
Presumably Hounds as steeds