|Jack and Jamie von Schweetz|
|Origin||Kingdom Hearts: Willpower|
|Type||1/2 Human, 1/2 Replica, 1/2 Dragon|
|Home World||Destiny Islands|
|Family||Riku Replica (FKM) (father; deceased), Maya (mother), Jack Frost (adoptive uncle), Candlehead (adoptive aunt), Sora (uncle), Johnny von Schweetz (brother)|
|Attribute||Winter (Jack Jr.)|
Light (Jamie Jr.)
Prince Jackson and Princess Jamie-Elizabeth of Arendelle are minor characters in Kingdom Hearts: Willpower.
The twins are cheerful and curious.
Like his adoptive uncle, Jack Frost, Jack Jr. wears a blue hoodie and brown pants and has cyan eyes. His white hair is a result of Jack blessing him with snow powers, while Jamie Jr. has brown hair, blue eyes and wears a white dress.
Kingdom Hearts: Willpower
Jack Jr. and Jamie Jr. are the new prince and princess of Arendelle.
The royal cuties of Arendelle. They were born not long after their father's death.