Bear in mind that an artist's USP is their personal charisma and creativity. The assistant's job is to elaborate based on an initial invention by the artist. No

Bear in mind that an artist's USP is their personal charisma and creativity. The assistant's job is to elaborate based on an initial invention by the artist. None of the assistant's personality/aura/talent should manifest in work that gets signed by the artist. It's not a good situation but it's standard among big nane artists (Koons is notorious for strictness, afaicr)