Names over the years
108 people, 243 names. Slack keeps no rename history - these were recovered from the messages themselves, and are kept from here on.
| 2021-11-04 | takesada_C4J | display name | attachment |
| 2023-11-10 - 2025-04-10 | Takesada | display name | attachment |
| 2026-09-19 - 2026-11-03 | takesada | display name | profile |
| 2026-09-19 - 2026-11-03 | Takesada_c4j | real name | profile |
| 2026-09-19 - 2026-11-03 | mami.takesada | handle | profile |
| 2026-09-19 - 2026-11-03 | FURUKAWA | display name | profile |
| 2026-09-19 - 2026-11-03 | Y.FURUKAWA | real name | profile |
| 2026-09-19 - 2026-11-03 | furushare | handle | profile |
| 2026-09-19 - 2026-11-03 | wataru | display name | profile |
| 2026-09-19 - 2026-11-03 | Wataru (Vancouver) | real name | profile |
| 2026-09-19 - 2026-11-03 | wataru.oguchi.0to1 | handle | profile |
| 2026-09-19 - 2026-11-03 | まこと | display name | profile |
| 2026-09-19 - 2026-11-03 | 山口まこと(Code for NPO) | real name | profile |
| 2026-09-19 - 2026-11-03 | makoto.yamaguchi | handle | profile |
| 2026-09-19 - 2026-11-03 | ツッチーマウス | display name | profile |
| 2026-09-19 - 2026-11-03 | Toshihiro Tsuchiya | real name | profile |
| 2026-09-19 - 2026-11-03 | info157 | handle | profile |
| 2026-09-19 - 2026-11-03 | Nao.M | display name | profile |
| 2026-09-19 - 2026-11-03 | Nao Myoshu | real name | profile |
| 2026-09-19 - 2026-11-03 | naonaogo50 | handle | profile |
| 2026-09-19 - 2026-11-03 | Hidehito Aoki - Code for Nerima | display name | profile |
| 2026-09-19 - 2026-11-03 | Hidehito Aoki | real name | profile |
| 2026-09-19 - 2026-11-03 | shamrock1976 | handle | profile |
| 2026-09-19 - 2026-11-03 | naoki | display name | profile |
| 2026-09-19 - 2026-11-03 | Naoki Ota | real name | profile |
| 2026-09-19 - 2026-11-03 | naoki-ota | handle | profile |
| 2026-09-19 - 2026-11-03 | Kazuki Sakai(CfJ) | display name | profile |
| 2026-09-19 - 2026-11-03 | Kazuki Sakai | real name | profile |
| 2026-09-19 - 2026-11-03 | kazuki | handle | profile |
| 2026-09-19 - 2026-11-03 | Hiromi Hagiwara(CfJ） | display name | profile |
| 2026-09-19 - 2026-11-03 | Hiromi Hagiwara | real name | profile |
| 2026-09-19 - 2026-11-03 | hrm.hagi.yama | handle | profile |
| 2023-03-23 | hayashi noriko | display name | attachment |
| 2026-09-19 - 2026-11-03 | のんたん | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | hayashihome2017 | handle | profile |
| 2026-09-19 - 2026-11-03 | Naoki | display name | profile |
| 2026-09-19 - 2026-11-03 | MAKITA Naoki | real name | profile |
| 2026-09-19 - 2026-11-03 | makita.gml | handle | profile |
| 2026-09-19 - 2026-11-03 | TAKASU | display name | profile |
| 2026-09-19 - 2026-11-03 | [KaiYuanShe]TAKASU | real name | profile |
| 2026-09-19 - 2026-11-03 | takasumasakazu | handle | profile |
| 2025-04-09 | Naoyuki Yoshida | display name | attachment |
| 2026-09-19 - 2026-11-03 | naoyo4 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | nao.yo4da | handle | profile |
| 2026-09-19 - 2026-11-03 | tmatsuno | display name | profile |
| 2026-09-19 - 2026-11-03 | 松野 友雄/MATSUNO Tomoo | real name | profile |
| 2026-09-19 - 2026-11-03 | tomoo.m | handle | profile |
| 2026-09-19 - 2026-11-03 | Shiny149 | display name | profile |
| 2026-09-19 - 2026-11-03 | Shinya Ishise | real name | profile |
| 2026-09-19 - 2026-11-03 | hatrpa.east.15y | handle | profile |
| 2026-09-19 - 2026-11-03 | iamakawa | display name | profile |
| 2026-09-19 - 2026-11-03 | iori_amakawa(CODE for GIFU) | real name | profile |
| 2026-09-19 - 2026-11-03 | amakawa.iori | handle | profile |
| 2026-09-19 - 2026-11-03 | Taichiro | display name | profile |
| 2026-09-19 - 2026-11-03 | Taichiro Fujino (Code for Japan/NPTech) | real name | profile |
| 2026-09-19 - 2026-11-03 | t.fujino327 | handle | profile |
| 2026-09-19 - 2026-11-03 | Mako | display name | profile |
| 2026-09-19 - 2026-11-03 | Mako Mizuno | real name | profile |
| 2026-09-19 - 2026-11-03 | maco.tien.15 | handle | profile |
| 2026-09-19 - 2026-11-03 | Natsumi Hori | display name | profile |
| 2026-09-19 - 2026-11-03 | 堀 夏実 | real name | profile |
| 2026-09-19 - 2026-11-03 | k965422 | handle | profile |
| 2026-09-19 - 2026-11-03 | きよちゃん | display name | profile |
| 2026-09-19 - 2026-11-03 | YAMAZAKI Kiyoaki (Code for Japan Staff) | real name | profile |
| 2026-09-19 - 2026-11-03 | devkiyo | handle | profile |
| 2026-09-19 - 2026-11-03 | takasukeh | display name | profile |
| 2026-09-19 - 2026-11-03 | 田中 孝 | real name | profile |
| 2026-09-19 - 2026-11-03 | t.sataro.takashi | handle | profile |
| 2026-09-19 - 2026-11-03 | motoaki tanaka | display name | profile |
| 2026-09-19 - 2026-11-03 | Mistletoe(motoaki tanaka) | real name | profile |
| 2026-09-19 - 2026-11-03 | pxaxcxixfxixcxa | handle | profile |
| 2026-09-19 - 2026-11-03 | うえ | display name | profile |
| 2026-09-19 - 2026-11-03 | うえ(mu) | real name | profile |
| 2026-09-19 - 2026-11-03 | s1700019 | handle | profile |
| 2026-09-19 - 2026-11-03 | ishity | display name | profile |
| 2026-09-19 - 2026-11-03 | Yuri Ishitoya | real name | profile |
| 2026-09-19 - 2026-11-03 | yuri1121isty1206 | handle | profile |
| 2026-09-19 - 2026-11-03 | IIDA | display name | profile |
| 2026-09-19 - 2026-11-03 | H.I | real name | profile |
| 2026-09-19 - 2026-11-03 | haruyasu.iida20110331 | handle | profile |
| 2026-09-19 - 2026-11-03 | Not Using | display name | profile |
| 2026-09-19 - 2026-11-03 | Old | real name | profile |
| 2026-09-19 - 2026-11-03 | nao886 | handle | profile |
| 2026-09-19 - 2026-11-03 | Kyoko | display name | profile |
| 2026-09-19 - 2026-11-03 | Kyoko Kishimoto | real name | profile |
| 2026-09-19 - 2026-11-03 | u133738i | handle | profile |
| 2026-09-19 - 2026-11-03 | とある開発者 / JAD | display name | profile |
| 2026-09-19 - 2026-11-03 | とある開発者 | real name | profile |
| 2026-09-19 - 2026-11-03 | t0aruka1hat5u5ya | handle | profile |
| 2026-09-19 - 2026-11-03 | chokko | display name | profile |
| 2026-09-19 - 2026-11-03 | ちえ | real name | profile |
| 2026-09-19 - 2026-11-03 | chokko.2007222 | handle | profile |
| 2026-09-19 - 2026-11-03 | 守屋明佳 | display name | profile |
| 2026-09-19 - 2026-11-03 | 守屋明佳（もりやさやか） | real name | profile |
| 2026-09-19 - 2026-11-03 | kzgwgnk7k | handle | profile |
| 2026-09-19 - 2026-11-03 | rikako | display name | profile |
| 2026-09-19 - 2026-11-03 | りかこ | real name | profile |
| 2026-09-19 - 2026-11-03 | take0343 | handle | profile |
| 2026-09-19 - 2026-11-03 | homata - OpenKawasaki | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | homata | handle | profile |
| 2026-09-19 - 2026-11-03 | hal_sk | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | Hal Seki(CfJ) | real name | profile |
| 2026-09-19 - 2026-11-03 | shigeomix | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | Shigeomi Shibata | real name | profile |
| 2026-09-19 - 2026-11-03 | kazuho.ohta | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | Kazuho OHTA | real name | profile |
| 2026-09-19 - 2026-11-03 | koi_zoom1 | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | Katsushiro Koizumi | real name | profile |
| 2026-09-19 - 2026-11-03 | fujii-y | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | Yasushi Fujii | real name | profile |
| 2026-09-19 - 2026-11-03 | hajime | real name | profile |
| 2026-09-19 - 2026-11-03 | hajime.miyauchi | handle | profile |
| 2026-09-19 - 2026-11-03 | Hiroyuki Ichikawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | hichikawa | handle | profile |
| 2026-09-19 - 2026-11-03 | Hiroki Maekawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | niche.and.such | handle | profile |
| 2026-09-19 - 2026-11-03 | mopinfish | display name + handle | profile |
| 2026-09-19 - 2026-11-03 | 大塚昇 | real name | profile |
| 2026-09-19 - 2026-11-03 | Teruka Sumiya | real name | profile |
| 2026-09-19 - 2026-11-03 | t-sumiya | handle | profile |
| 2026-09-19 - 2026-11-03 | Kyoko Ohtagaki | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kyoko.oh | handle | profile |
| 2026-09-19 - 2026-11-03 | Noda Naoko | real name | profile |
| 2026-09-19 - 2026-11-03 | noda.naoko.126 | handle | profile |
| 2026-09-19 - 2026-11-03 | Kazuki Imamura | real name | profile |
| 2026-09-19 - 2026-11-03 | kaizumaki | handle | profile |
| 2026-09-19 - 2026-11-03 | Jean F. Queralt | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | jfqueralt | handle | profile |
| 2026-09-19 - 2026-11-03 | Lorin Camargo | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | lorin | handle | profile |
| 2026-09-19 - 2026-11-03 | 福野泰介 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | fukuno | handle | profile |
| 2026-09-19 - 2026-11-03 | masa ishii | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | masa.ishii | handle | profile |
| 2026-09-19 - 2026-11-03 | Pen(Y.Sugawara) | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | yows1031 | handle | profile |
| 2026-09-19 - 2026-11-03 | 宮城直 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | shisunao | handle | profile |
| 2026-09-19 - 2026-11-03 | Kota Yatagai | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kouta.giants0706 | handle | profile |
| 2026-09-19 - 2026-11-03 | Taiyu Yoshizawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | taiyu31 | handle | profile |
| 2026-09-19 - 2026-11-03 | kay vincent | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kay31988 | handle | profile |
| 2026-09-19 - 2026-11-03 | Riku Shiraishi | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | riku_shiraishi | handle | profile |
| 2026-09-19 - 2026-11-03 | YOKOSUKA 八幡 守 | real name | profile |
| 2026-09-19 - 2026-11-03 | mamoru.yahata | handle | profile |
| 2026-09-19 - 2026-11-03 | Sogo Hashiguchi | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | aogoi2010 | handle | profile |
| 2026-09-19 - 2026-11-03 | Nobusuke Iwasaki | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | wata909 | handle | profile |
| 2026-09-19 - 2026-11-03 | 岡高志 cfOTA | real name | profile |
| 2026-09-19 - 2026-11-03 | itis0ka | handle | profile |
| 2026-09-19 - 2026-11-03 | Sohei Wakayama | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | swakayama | handle | profile |
| 2026-09-19 - 2026-11-03 | Shinji Matsumoto | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | shin2.ma2moto | handle | profile |
| 2026-09-19 - 2026-11-03 | 美濃佑輝 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | yukikaze.0511 | handle | profile |
| 2026-09-19 - 2026-11-03 | Yuichi Nakazawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | y.nakazawa1220 | handle | profile |
| 2026-09-19 - 2026-11-03 | Ryoichi OGAWA | real name | profile |
| 2026-09-19 - 2026-11-03 | ogawa16 | handle | profile |
| 2026-09-19 - 2026-11-03 | Satoko Kono | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kono.satoko | handle | profile |
| 2026-09-19 - 2026-11-03 | chewei 劉哲瑋 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | classicdesign053 | handle | profile |
| 2026-09-19 - 2026-11-03 | Mar Marín | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | mar | handle | profile |
| 2026-09-19 - 2026-11-03 | りょーま（Yuki Kawabe） | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kawabeyuki23 | handle | profile |
| 2026-09-19 - 2026-11-03 | Shogo | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | shogoorg | handle | profile |
| 2026-09-19 - 2026-11-03 | 定本 | real name | profile |
| 2026-09-19 - 2026-11-03 | r_sadamoto76 | handle | profile |
| 2026-09-19 - 2026-11-03 | hideyuki ogawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | hogawa098 | handle | profile |
| 2026-09-19 - 2026-11-03 | Akinori Oyama | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | akinori.oyama | handle | profile |
| 2026-09-19 - 2026-11-03 | くぼっち(Saya Kubota) | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | sayadeesu | handle | profile |
| 2026-09-19 - 2026-11-03 | Naoki Uchida | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | naoki.uc | handle | profile |
| 2026-09-19 - 2026-11-03 | Tokyo OSS Party 事務局 | real name | profile |
| 2026-09-19 - 2026-11-03 | inamoriyrk | handle | profile |
| 2026-09-19 - 2026-11-03 | 川﨑陽介（新潟市役所） | real name | profile |
| 2026-09-19 - 2026-11-03 | magma1219 | handle | profile |
| 2026-09-19 - 2026-11-03 | Yuichi Ota | real name | profile |
| 2026-09-19 - 2026-11-03 | ota | handle | profile |
| 2026-09-19 - 2026-11-03 | Takahito Sakamoto | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | sakamoto137 | handle | profile |
| 2026-09-19 - 2026-11-03 | shinichiro kinjo | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | sk | handle | profile |
| 2026-09-19 - 2026-11-03 | Yuichi Yamamoto | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | snufkin68 | handle | profile |
| 2026-09-19 - 2026-11-03 | Sigrid Jin (Jin Hyung Park) | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | sigrid.jinhyung | handle | profile |
| 2026-09-19 - 2026-11-03 | Amy Eiko Goto | real name | profile |
| 2026-09-19 - 2026-11-03 | contact823 | handle | profile |
| 2026-09-19 - 2026-11-03 | Guido Preite | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | guido.preite | handle | profile |
| 2026-09-19 - 2026-11-03 | Eriol Fox | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | erioldoesdesign | handle | profile |
| 2026-09-19 - 2026-11-03 | Yurika Doi | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | kuroshibashion | handle | profile |
| 2026-09-19 - 2026-11-03 | 遠藤真森 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | dansa.endo | handle | profile |
| 2026-09-19 - 2026-11-03 | 明石華那 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | haruna.akashi | handle | profile |
| 2026-09-19 - 2026-11-03 | Reiko Kanda | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | rkanda | handle | profile |
| 2026-09-19 - 2026-11-03 | Shingo OHKI | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | truego | handle | profile |
| 2026-09-19 - 2026-11-03 | pascal Baillehache | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | baillehache.pascal | handle | profile |
| 2026-09-19 - 2026-11-03 | Nawashiro | real name | profile |
| 2026-09-19 - 2026-11-03 | hooochiba | handle | profile |
| 2026-09-19 - 2026-11-03 | Nithin Coca | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | journalism | handle | profile |
| 2026-09-19 - 2026-11-03 | 草間暁 | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | a.kusama | handle | profile |
| 2026-09-19 - 2026-11-03 | 橋本昌幸 | real name | profile |
| 2026-09-19 - 2026-11-03 | pdi.nds056 | handle | profile |
| 2026-09-19 - 2026-11-03 | Saurav Jain | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | souravjain540 | handle | profile |
| 2026-09-19 - 2026-11-03 | nobuyuki okumura | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | okm096 | handle | profile |
| 2026-09-19 - 2026-11-03 | きしたくや | real name | profile |
| 2026-09-19 - 2026-11-03 | kishi | handle | profile |
| 2026-09-19 - 2026-11-03 | Ai Nakagawa | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | ai.nakagawa | handle | profile |
| 2026-09-19 - 2026-11-03 | Sky Hong | display name + real name | profile |
| 2026-09-19 - 2026-11-03 | sky9109 | handle | profile |
| 2026-10-04 - 2026-11-03 | Waldemar Hummer | display name + real name | profile |
| 2026-10-04 - 2026-11-03 | waldemar.hummer | handle | profile |
| 2026-09-19 - 2026-11-03 | shirakawa | handle + real name | profile |
| 2026-09-19 - 2026-11-03 | takagi.yuusuke | handle + real name | profile |
| 2020-09-05 - 2026-11-03 | jinnouchi | display name + handle + real name | attachment, profile |
| 2026-09-19 - 2026-11-03 | bess | display name + handle + real name | profile |
| 2026-09-19 - 2026-11-03 | yuiseki | display name + handle + real name | profile |
| 2026-09-19 - 2026-11-03 | traveller | handle + real name | profile |
| 2026-09-19 - 2026-11-03 | takuya.iinuma | handle + real name | profile |