What do graffiti artist usually use to do art?

Graffiti artists typically use spray paint as their primary medium due to its versatility and ability to cover large areas quickly. They may also incorporate markers, brushes, and stencils to create intricate designs and details. Additionally, some artists use other materials like stickers or wheatpaste to enhance their street art. The choice of tools often reflects the artist's style and the message they wish to convey.