OpenAI really really really wants GPT 5.5 to stop randomly talking about gremlins and goblins Business InsiderWhere the goblins came from OpenAI'The Goblins Came Back to Haunt Us': OpenAI Explains How ChatGPT's 'Nerdy' Personality Got Out of Control GizmodoOpenAI tells ChatGPT models to stop talking about goblins BBCOpenAI Really Wants Codex to Shut Up About Goblins WIRED