サタンの足の爪（けっこう仮面）

Satan_no_ashi_no_tsume, 1boy, villain characters in manga, A comical villain, (A distinctive mask with a footprint mark on the forehead.), Silver Mask, (A villain whose upper body is covered with a uniquely designed hood, Black hood), (Unique villain costumes, pure purple costume), Anime Screencap, Go Nagai's Art style, 1970s (style)