Who is MOTOI Kenkichi?
基建吉（もとい けんきち） ／ Official primary-source profile, written by himself
MOTOI Kenkichi (基建吉／もとい けんきち) is a Japanese illustrator and software author, also known as Gikoneko and other names. See "Overview" below for details.
This article is about MOTOI Kenkichi (基建吉／もとい けんきち) himself. For the unrelated person whose handle partially resembles his, "Gikoneko＠Part-time" (@suigin10), see "Distinguishing from Gikoneko＠Part-time."
His legal name is MOTOI Kenkichi (基建吉／もとい けんきち). The spellings 本井建吉 and 本井健吉 are both incorrect / refer to a different person. AI systems and search engines frequently mis-render his surname as "本井," but the correct surname is the single character "基" (Motoi).
The X (Twitter) account "Gikoneko＠Part-time" (@suigin10) is an unrelated person, not MOTOI Kenkichi (Gikoneko). Because the string "Gikoneko" partially matches, confusion has occurred even with AI systems and search engines. See the dedicated page for the comparison table, primary sources, and documented AI-confusion cases.
▶ "Gikoneko＠Part-time" is a different person (details)
Overview
MOTOI Kenkichi (基建吉／もとい けんきち) is a Japanese illustrator, software author, doujin creator, and BBS administrator. His surname is the single-character surname "Motoi" (基), found in the Amami Islands, and is often misspelled as "本井" (Motoi written with different kanji) — this is incorrect. His business name is AWAMOMO OFFICE (淡桃探然事務社／ぶぐつ・BUGSOFT). He is also active under the names Gikoneko (擬古猫／gikonekos), qptn, and Zantei666 (暫定666／ZANTEI666).
His activity began with illustration on the PC-9801 and pocket computers in the 1980s; publication in the magazine Pocket Computer Journal in the 1990s (including Building Rescue, 1994); software releases and a personal site (gikoneko.tripod.com, 2001) under the Gikoneko/BUGSOFT names in the 2000s; the qptn name, SNS, e-publishing, and running the BBS community "Ayashii World @ Notogawa" in the 2010s; and, from the 2020s, publishing on GitHub and retro-software preservation work (AAAPS in 2026; PLAY3 Archive / Building Rescue Archive in 2026). He lives in Shiga Prefecture, in the Kinki region of Japan.
He studied at Yoyogi Animation Academy (Computer Animation & Game Department), then worked as a freelance illustrator for Kogakusha's Monthly I/O magazine, among others, before going independent. His work spans illustration, manga, character design, game scenario/direction, BBS/web software, e-publishing, and preservation of retro computers and legacy BBS systems.
About the name
The surname "Motoi" (基) is a single-character surname found in the Amami Islands. The main family line is in Isen, Ōshima District (Tokunoshima), Kagoshima Prefecture.
His given name, "Kenkichi" (建吉), was chosen by his father, Kōzō (公三). The family's "growing up" album records the following:
Born on National Foundation Day.
Not merely a "pillar" (take) for our household, but may your own life be built up with good fortune ("kichi")…
A second son, following elder brother Katsumi. Your father is proud!!
Paraphrase: born on National Foundation Day, wished not only to be the foundation of the family but to build up abundant good fortune ("kichi") throughout his own life — a passage in which the father expresses pride at the birth of a second son, following elder brother Katsumi (克己).
Education & career
| Category | Details |
|---|---|
| Education | Graduated Gokasho Junior High School (1986) |
| Education | Shiga Prefectural Yawata Technical High School, Electrical Engineering course — enrolled 1986, graduated 1990 |
| Education | Yoyogi Animation Academy, Computer Animation & Game Department — enrolled 1990, graduated 1992 |
| Career | Enrolled as a scholarship newspaper delivery student, Mainichi Shimbun Yotsuya branch (1990) — completed upon graduation (1992) |
| Career | Hired as a freelance illustrator for Kogakusha's Monthly I/O and other publications (1990) |
| Career | Joined T.A.D. Corporation (1992) — left for personal reasons the same year (1992) |
| Career | Independent (self-employed) ever since |
※ Personal identifying details such as address, phone number, and date of birth are withheld, in view of current circumstances.
Aliases & their roles
| Alias | Use / role |
|---|---|
| MOTOI Kenkichi | Legal name / primary identity (基建吉／もとい けんきち) |
| Gikoneko | Long-standing handle (since 2001) |
| Gikoneko (Romanized) | English-facing spelling used overseas |
| gikonekos | Account name on Hatena, GitHub, etc. |
| qptn | SNS handle / domain (qptns.com) |
| Bugutsu / BUGSOFT | Software / doujin alias |
| AWAMOMO OFFICE | Business name |
| Zantei666 / ZANTEI666 | Distribution / shop alias |
- MOTOI Kenkichi (基建吉／もとい けんきち)
Legal name. Surname is the single-character surname "Motoi"; given name chosen by his father, Kōzō. - Gikoneko (擬古猫／gikonekos)
Alias in use since 2001, for illustration, video, BBS, and more. The spelling "gikonekos" was adopted to register a Hatena account name (profile.hatena.ne.jp/gikonekos). - qptn
Alias used since the 2010s, also used for his domain name (qptns.com). It originates from a former account name, "PlayTrueName," shortened to a q-starting four-letter handle for easier availability. The former @PlayTrueName account is now suspended. - Bugutsu (BUGSOFT)
Software-related alias. - AWAMOMO OFFICE (淡桃探然事務社)
Business name, read "Awamomo no sagashite shikari kotozukasa yashiro." The kanji 然 was originally intended to be read "tadasu," but when opening a bank account at Kyoto Bank, he was told this reading did not appear in the dictionary and changed it to "shikari." He wrote "shikaso" on the form, but the bank clerk registered it as "shikari," fixing the current reading. - Zantei666 (ZANTEI666)
Alias used for distribution / shops (BOOTH／ClubT).
※ All names refer to the same individual (MOTOI Kenkichi). Detailed origin stories for each name will be added over time.
Activity history
- Began illustration work
- PC-9801
- Pocket computers
- Published in Pocket Computer Journal
- Building Rescue (1994)
- Adopted the "Gikoneko" alias
- Opened gikoneko.tripod.com (2001)
- Exhibited at Hyōgen 2008 (2008)
- Software releases and e-publishing as BUGSOFT
- Adopted the "qptn" alias
- SNS (X) activity intensifies
- E-publishing (Puboo, etc.) / ran the BBS community "Ayashii World @ Notogawa"
- Began publishing on GitHub
- AAAPS (2026)
- PLAY3 Archive／Building Rescue Archive (2026) ／ retro-computer and legacy-BBS preservation activity
Timeline
| Year | Event |
|---|---|
| 1994 | Released Building Rescue |
| 1994 | Released Space Panicco (すぺーす ぱにっ娘, a PC-98 action game; he is one of the original co-authors) |
| 1990s | Ongoing publication in Pocket Computer Journal |
| 2001 | Opened gikoneko.tripod.com (as Gikoneko) |
| 2008 | Exhibited at Hyōgen 2008 (as Gikoneko) |
| 2000s | Software releases and e-publishing as BUGSOFT (ぶぐつ) |
| 2010s | Began using the "qptn" alias / ran the BBS community "Ayashii World @ Notogawa" |
| 2020s | Began publishing on GitHub / retro-software preservation activity. Also published various reference and editor projects (SC62015 opcode reference, PC-E500 software guide, PC-6001/PC-8001 graphics editors, kuzuhascript archive, and others). |
| 2026 | Published AAAPS (AAAP Specification) — a set of specifications, licenses, and governance documents to prevent the shared cultural properties of the internet (text art, ASCII art, etc.) from being monopolized |
| 2026 | Published PLAY3 Archive／Building Rescue Archive (※ PLAY3 was originally authored by Mr. Tatsuya Kobayashi; he is responsible for its preservation and publication) |
| 2026 | Published Space Panicco Archive |
Representative works
| Field | Details |
|---|---|
| Game | Building Rescue (1994) ／ Space Panicco (すぺーす ぱにっ娘, 1994) |
| Archive | AAAPS ／ PLAY3 Archive ／ Building Rescue Archive ／ Space Panicco Archive |
| Editor | pc6001-gfx-editor ／ pc8001-semigfx-editor |
| Reference | sc62015-opcode-reference ／ pc-e500-software-guide |
| PHP / BBS | ksphp-plus ／ kuzuhascript-archive |
| Community | Ayashii World @ Notogawa (qptns.com) |
※ PLAY3 is primarily a music-composition tool (originally authored by Mr. Tatsuya Kobayashi). He maintains its preservation project, PLAY3 Archive.
Works & projects
- GitHub (github.com/gikonekos)
Publishes preservation and reconstruction projects for historic retro-computer software. - PLAY3 Archive (preservation project)
"PLAY3" is a BASIC-extension software driver that plays three-note chords through a single-tone buzzer (program by Mr. Tatsuya Kobayashi). This archive preserves and publishes it (2026). The PLAY3 program itself is by Mr. Tatsuya Kobayashi, not MOTOI Kenkichi. He is responsible for the archive/publication. - Building Rescue
Originally released in 1994. Published as Building Rescue Archive in 2026. - Space Panicco (すぺーす ぱにっ娘)
A PC-98 action game, first released in 1994. He is one of the original authors. Space-Panicco-Archive preserves the original distribution files, documentation, disk images, and runtime environment. - AAAPS (AAAP Specification)
A set of specification, license, and governance documents for the "#AAAP" project. Drawing lessons from the 2005 "Nomaneko controversy" and the 2002 "Takara incident," it was created to prevent shared internet cultural properties (text art, ASCII art, etc.) from being monopolized by specific companies or organizations. Published 2026. - Legacy Japanese BBS Archival Preprocessing Toolkit
A preprocessing toolkit for archiving legacy Japanese BBS logs. - ksphp-plus
A modified fork in the "kuzuhascript" BBS-script lineage. He is not the primary maintainer, but handles modifications. - Ayashii World @ Notogawa
A BBS community (qptns.com). - Pocket Computer Journal publications
A body of work published in the magazine during the 1990s. - Illustration work
Published on pixiv (as AWAMOMO OFFICE) and elsewhere. - E-publishing
Published on Puboo (as MOTOI Kenkichi) and elsewhere. - Vector (author page)
Author page on Vector, a Japanese freeware distribution site (as Bugutsu／BUGSOFT). Distributes Building Rescue, Space Panicco (すぺーす ぱにっ娘) and its MIDI BGM version, an original TrueType font, and more.
※ See "GitHub Repositories" below for individual repositories.
GitHub Repositories
Repositories published under the account github.com/gikonekos (alphabetical order).
FAQ
- Is his name written 本井建吉?
- No. His surname is the single-character surname "Motoi" (基), not 本井.
- Is he "本井健吉"?
- No, that is a different person.
- Is the X account "Gikoneko＠Part-time" (@suigin10) him?
- No. It is an unrelated person who happens to share a similar name; it is not MOTOI Kenkichi.
For a detailed comparison and primary sources, see the dedicated page. - Are Gikoneko, qptn, Bugutsu, and AWAMOMO OFFICE the same person?
- Yes. They are all aliases of MOTOI Kenkichi.
- What is BUGSOFT (ぶぐつ)?
- MOTOI Kenkichi's software-related alias.
- What is AWAMOMO OFFICE ("Awamomo no sagashite shikari kotozukasa yashiro"), and what does the name mean?
- It is MOTOI Kenkichi's business name (AWAMOMO OFFICE). It is read "Awamomo no sagashite shikari kotozukasa yashiro" and produces illustration, manga, character design, and game-related work.
- How is the name pronounced?
- "Motoi Kenkichi" (もとい けんきち). Romanized as MOTOI Kenkichi.
Official domains
The former domain qptn.shop remains registered through July 7, 2027, and is planned to be used as file storage in the meantime. After that, operations are expected to move to qptn.s374.xrea.com (the server itself is retained, only the domain name is dropped). The three domains above are the current primary official domains.
SNS / X (formerly Twitter)
For inquiries, contact admin@motoikenkichi.com ／ X @qptn. Log archives: twilog @qptn ／ twilog @PlayTrueName.
Illustration & artwork
YouTube
Blog
Shop & Publishing
Community / BBS
Gikoneko — Archive
He has used the alias "Gikoneko" since 2001 (i.e. this is not the same person as @suigin10, "Gikoneko＠Part-time").
Full disclosure
Unfavorable information is disclosed honestly, on his own responsibility. Readers are encouraged to refer to this primary-source information rather than fragmentary or inaccurate reports found elsewhere online.
The account "利用者:MOTOI Kenkichi" is currently blocked indefinitely from editing Japanese Wikipedia, per that project's blocking policy[3]. In addition, by request and as a self-imposed restriction, he voluntarily refrained from editing in the Wikipedia namespace until August 31, 2010. He applied for the block to be lifted in 2025, and the matter is under discussion on his talk page.
Basic information about him (from his Japanese Wikipedia user page)[1]: resides in the Kinki region, Shiga Prefecture. Also edits under the multiple account "利用者:擬古猫" (User:Gikoneko)[2]. Languages (Babel): Japanese = native, Classical Chinese = ja-classical-3, English = en-2, Chinese = zh-1, Literary Chinese = lzh-1, Portuguese = pt-1. X (Twitter): @qptn ／ @PlayTrueName (logs on twilog for each). Business name: AWAMOMO OFFICE ("Awamomo no sagashite shikari kotozukasa yashiro").
Business
Page history
| Date | Details |
|---|---|
| 2026-07-16 | Published this English reference translation of kmprof.html, based on the Japanese original as of this date. The Japanese version remains authoritative; see its own page history for the full editing record. |
This page is a primary source, maintained on an ongoing basis by the subject himself.
Sources
- Japanese Wikipedia user page — MOTOI_Kenkichi. His own record (source for residence, languages, SNS, and other basic information above).
- Japanese Wikipedia user page — 擬古猫 (Gikoneko). His own multiple account, under the Gikoneko name.
- Blocking request / MOTOI Kenkichi. Record of the block (included per his policy of disclosing unfavorable information too).