Kai

Kai is head of the royal household in Arendelle and was regent for three years. He ruled the country between King Agnarr's death and Queen Elsa's twenty-first birthday and coronation. He always stayed a close friend of the family's.

History
He was hired as Head of the Household at Arendelle Castle in 1829. He was in service of the royal household for eight years when King Agnarr and Queen Iduna passed away on their royal voyage and he became regent for the underage princess Elsa. He ruled Arendelle untill 1840, when Elsa was coronated and turned 21.

At some point in his life Kai married Gerda. They are seen together protecting two children but it is unknown if those are their own children.