Some Gorons are giant for no apparent reason.
Gorons can curl up and roll around; Gorons endowed with fairy magic grow metal spikes when they do.
Also Gorons are lava-resistant.
See also: Zora, Deku Scrubs, RitoGoron biology
Gorons eat rocks and as they grow older they develop rocky growths on their backs.Goron culture
Goron culture revolves around honor & strength (compare Klingon).