The word "pasticheur" is a noun that refers to a person who creates pastiches. A pastiche is a work of art or literature that imitates the style or form of another artist or genre. Some synonyms for "pasticheur" include mimic, imitator, parodist, copyist, and emulator. These words all refer to individuals who borrow from the work of others to create something new. While pastiches may be seen as unoriginal in some circles, they can also be seen as a way to pay homage to the great artists that came before. Ultimately, the skill of a pasticheur lies in their ability to create something new and exciting while still remaining true to the original material.