(Image credit: OpenAI, Jakub Pachocki) Anyone with even passing experience of using the latest LLMs knows to expect the unexpected. They can spit out some really random and often disturbing stuff . But ChatGPT's 'multiplying' goblin infestation is a bit more pathological than that. Yesterday, OpenAI uploaded a blog post titled "Where the goblins came from" and explaining how, starting with GPT 5.1, OpenAI's models "increasingly mentioned goblins, gremlins, and other creatures in their metaphors." OpenAI said it first noticed the goblin problem in November, but that it may actually have been going on for some time. For the record, mention of "gremlin" was on the up, too, though apparently more moderately minded mogwai weren't part of ChatGPT's new-found fascination. Anywho, with GPT 5.4, the goblin thing really accelerated, with mentions increasing by a staggering 3,881% with GPT's "Nerd" personality versus GPT 5.2. That, unsurprisingly, triggered an internal investigation.…