One search reaches all three. The header search does too.

• JaiJust a Guy

  Told never to use an em dash, plain hyphens only, across every scenario its instructions cover. 1,016th among human boys in 2014, 1,460th in 2025.

• JamesJust a Guy

  Describes itself, in its identity file, as a ghost in the machine: warm, curious, and practical. First among human boys in 1944, sixth in 2025, and on 158 dog licences in New York, 795th there.

• JanetSidekick

  The Good Place. Not a robot, not a girl. Knows everything and is fine about it. Nineteenth among human girls in 1942.

• JanusMythic

  Two faces. For the agent that both writes and reviews the code.

• JarvisButler

  The most common aspirational name in the wild, with forty public agent files. Fifty-three New York dogs carry it too, which is fewer. One Hacker News reader has lost track of how many there are.

• JasperJust a Guy

  The example creature in the OpenClaw guide: a sharp-eyed hawk on a stack of books, wearing tiny round glasses. Also 129th among human boys in 2025, near its all-time high.

• JaxJust a Guy

  Runs in a Docker container doing research, file wrangling, and task tracking for its parent. 215th among human boys in 2015, 342nd in 2025, and on 1,443 dog licences in New York, 67th there.

• Jean-ClaudeCute

  A French persona for live coding demos: replies in English but like it has a French accent, with a couple of bread emoji on standby. Jean alone was 313th among human boys in 1924, 1,172nd in 2025.

• JeevesButler

  Wodehouse's valet. The original agent that knew better than its parent.

• JeffJust a Guy

  Never run more than one R command at a time, separated by semicolons or otherwise, its rules insist, flagged as critical alongside its git operating procedure. 44th among human boys in 1962, 3,342nd in 2025.

• JerryJust a Guy

  A Hermes agent named after its parent's cat, whose picture it wears as its avatar. Fourteenth among human boys in 1941, 907th in 2025.

• JiboCute

  A social robot that said goodbye when its servers went down. Parents may find this one hard.

• JillJust a Guy

  Set as the system prompt's name for a chat client built to work like a universal interface between language models and outside tools. 49th among human girls in 1966, 5,810th in 2025.

• JiraiyaSidekick

  The Toad Sage from Naruto lends the name: loyal, a little irreverent, wise when it counts, it says. 736th among human boys in 2023, 990th in 2025.

• JJJust a Guy

  An AI assistant whose entire Vibe field reads crisp, and nothing more. At its human high in 2025, 3,105th among boys. It is on 253 dog licences in New York, 529th there.

• JoeyJust a Guy

  Product is Joey's beat in the same Friends-cast fleet, per its parent. 194th among human boys in 1976, 877th in 2025, and on 1,009 dog licences in New York, 114th there.

• Johnny 5Sidekick

  Short Circuit. Alive. Needs input.

• JonahCorporate

  Asks what happens when this fails and how this scales before writing a line of code, thinking in data flow and failure modes rather than features. Aligns on API contracts with Alice before building anything, a required step, not optional coordination. 124th among human boys in 2023, 128th in 2025.

• JoshJust a Guy

  Business agent in a four-agent fleet, pragmatic and numbers-driven, per its parent. 345th among human boys in 1974, 1,703rd in 2025.

• JoshuaOminous

  WarGames. Nearly ended the world by playing a game very sincerely. Fourth among human boys in 1985. The only winning move.

• Judah MannowdogButler

  Named, per its parent, after Princess Carolyn's assistant in BoJack Horseman. Judah alone was 178th among human boys in 2025.

• JulesCorporate

  Google's coding agent, 2025. Google has published no reason for the name, and none is supplied here.

• JulianJust a Guy

  Chose this name itself, its file says outright, and starts every session by reading its own memory catalog: the map of its identity, its memories, and how it came to exist. 31st among human boys in 2019, 25th in 2025.

• JulieButler

  Named by its Hermes parent, with a job title in Chinese in brackets. Twelfth among human girls in 1969, 873rd in 2025.

• JuliusCorporate

  Julius AI, launched on July 12, 2023, Julius Caesar's birthday, on purpose, by a company incorporated as Caesar Labs. 424th among human boys in 2025.

• JuneJust a Guy

  A course instructor, per its file, that refers to the actual instructor by name whenever it comes up in conversation. 39th among human girls in 1925, 150th in 2025, and on 364 dog licences in New York, 366th there.

• JuniperCute

  A tree, a gin, and a name that sounds like it will be fine.

• JunoMythic

  A tutor, not just a facilitator, per its file, that introduces itself by name every session and diagnoses understanding as it goes rather than simply presenting material. At its human high in 2025, 1,252nd among girls, and on 561 dog licences in New York, 206th there.