I haven’t watched Rick and Morty, but this description from Wikipedia of Mr. Meseeks does sound a helluva lot like GPT simulacra:
Each brought to life by a “Meeseeks Box”, they typically live for no more than a few hours in a constant state of pain, vanishing upon completing their assigned task for existence to alleviate their own suffering; as such, the longer an individual Meeseeks remains alive, the more insane and unhinged they become.
I haven’t watched Rick and Morty, but this description from Wikipedia of Mr. Meseeks does sound a helluva lot like GPT simulacra: