Eriksen, also goes by Erik, is the son and oldest child of King Agnarr and Queen Iduna. He is three years older than Elsa. Eriksen cared so much for his younger sisters and was quite protective of them. He loved Elsa's abilities. They made her unique. After his parents deaths, he does the best he can to rule over Arendelle.
(The characters will be live action. Not animated.)