Guardians of Childhood

In RotBTD, each of the big four is also a guardian of an element, similar to Jack frost

Jack Frost: Guardian of winter, fun, and children. He is able to generate ice and cold, making it snow, for snow days for children.

Rapunzel: The Guardian of spring and art. able to make flowers grow and heal others with her hair, she is also able to make her paintings come to life.

Merida DunBroch: Guardian of summer and freedom. able to generate fire, particularly by shooting it from her bow.

Hiccup Horrendous Haddock III: Guardian of fall and beasts, he is able to create gusts of wind, to communicate with animals, and have them follow his commands, though he rarely uses this last ability. His favorite creatures are dragons, and he and toothless are sworn blood brothers.