Ambiguous tag.
Copyrights
For the series in general, see Osomatsu (Series).
For the 1962 manga by Akatsuka Fujio, see Osomatsu-Kun.
For the 2015 anime by Studio Pierrot, see Osomatsu-San.
Artists
For the artist formerly tagged here, see Osomatsu (Nanameno).
For other artists named Osomatsu: osomatsu_* | *_osomatsu search
Characters
For the title character of Osomatsu-Kun, see Matsuno Osomatsu.