Sharpies are a popular choice among graffiti artists due to their versatility and accessibility. As a permanent marker, Sharpies offer a quick and easy way to make bold lines and vibrant colors that stand out on a variety of surfaces. Additionally, their waterproof and fade-resistant ink makes them a durable option for outdoor graffiti work. While other markers may be more suitable for certain applications, Sharpies are a solid choice for many graffiti artists.