| Name (In Hepburn Method) | Tatsumi,Seiichiro |
| Name (In Nihon Method) | Tatumi,Seiichirô |
| Name (In Kanji) | 巽 征 一 郎 |
| Name (In Hiragana) | た つ み せ い い ち ろ う |
| Family Name | Tatsumi (a minor name) |
| First Name | Seiichirou (a major name) |
| Anime | Yami no Matsuei |
| Comment | Tatsumi means "southeast". |