Voodoo Who? (from the collection of Humboldt Who) presents a sculpture of an African mask inside a museum-like display case. The work draws on the controversy surrounding the contextualization and ownership of art, artifacts and ritual objects removed by colonizing powers. More specifically, the title refers to Berlin's recently inaugurated Humboldt Forum, named for the 18th century German explorer Alexander von Humboldt (1769-1859). Housing the collections of African and Asian works formerly exhibited in the Ethnographic Museum, the opening of the Humboldt Forum has renewed the debated about restitution of works to the countries from which they were taken.

Fujiwara's object with nails emulates mystical statuettes made by the Kongo people of the Congo region, a so-called nkisi n'kondi. When an agreement was reached, both sides would swear an oath before the nkisi n'kondi and drive iron blades or nails into it to seal the oath. In this way the figure's supernatural powers could be called upon to punish those who broke the agreement. Many nkondi were publicly held and were used to affirm oaths, or to protect villages and other locations from witches or evildoers.