Uno: What I Learned Shaping LLMs into a 90s Comic Book AI

I wrestled current1 LLMs into behaving like my childhood AI hero: here’s what worked, what didn’t, and why. Uno is my favorite character from my favorite childhood comic PKNA. He’s the friendly and sarcastic AI helping Donald Duck in adventures spanning 56 issues in the mid ’90s. My first attempt at re-creating him was a complicated Excel spreadsheet in my early teens with lots of nested IF functions. This is my second attempt. ...

February 28, 2026 · 36 min · Michele Bertasi