Look for "Digital Art" or "Vector" tags if you want crisp lines that don't pixelate on larger monitors.
If you want something less distracting for your icons, minimalist designs focusing on his Dojutsu are popular. 1920x1080 Madara Uchiha wallpaper. Madara uchih...
If you'd like, I can find some specific or visual styles for you: Action shots (using Susano'o or Fire Style) Minimalist (silhouette or eye-focused) CGI/3D (hyper-realistic renders) Look for "Digital Art" or "Vector" tags if