Ambiguous tag.
- For the artists formerly tagged here, see Funako (Hatoda) or katou_(osoraku).
- For some potential artists named kato/katou: kato_* | *_kato | katou_* | *_katou
- For some characters named kato/katou: kato_* | *_kato | katou_* | *_katou
- For some copyrights named kato/katou: kato_* | *_kato | katou_* | *_katou
