Gustav Larson

Gustav Larson is the son of Mr. and Mrs. Larson, and the older brother of Hildegard. He is voiced by Lucas Grabeel.

Riders of Berk
In Gem of a Different Color, Gustav was traded by his mother to Snotlout for a "stone of good fortune" (Actually a Changewing egg). Snotlout had the boy work as his assistant, with Gustav starting to act like him. He was later ordered to return to his mother by an angry Fishlegs.