What are some popular comic and anime series known for having a vast collection of high-quality wallpapers?

For anime, highly popular series like 'Attack on Titan,' 'My Hero Academia,' 'Demon Slayer,' 'Naruto,' 'One Piece,' 'Dragon Ball,' 'Jujutsu Kaisen,' 'Spy x Family,' and Studio Ghibli films frequently have extensive high-quality wallpaper collections due to their widespread appeal and distinctive art. For comics, the Marvel (e.g., Spider-Man, Avengers) and DC (e.g., Batman, Superman) universes are massive sources, alongside popular independent comics like 'Saga' or 'The Walking Dead.'