Pierre Jakoman (ヒエール・ジョコマン, Hieru Jokoman) is a character that appears in Crayon Shin-chan: Unkokusai's Ambition.

A.k.a "Stinkpoop (雲黒斎, Unko-Kusai)", History buffs in the future of human identity when the black cloud that appeared in the anime version (according to the business card out of himself, the title is "man of culture (history) and trend creator, art director, members of the association four-dimensional world history").