Jin, D'geni and Iblisand, Ghost/Ground djinn/genie fakes. Part of a trifecta with the kodama and lich fakemon.
They're greedy dwellers of deserts and sometimes other barren, sandy/dusty areas. They love shiny things and string them on their bodies to show them off. Trainers approaching their habitat are advised to keep a strong grip on their badges, and the gym in the nearby town actually gives their badge a matte finish for this reason.