https://about.fb.com/news/2023/09/introducing-ai-powered-assistants-characters-and-creative-tools/

Our journey with AIs is just beginning, and it isn’t purely about building AIs that only answer questions. We’ve been creating AIs that have more personality, opinions, and interests, and are a bit more fun to interact with. Along with Meta AI, there are 28 more AIs that you can message on WhatsApp, Messenger, and Instagram. You can think of these AIs as a new cast of characters – all with unique backstories.

And because interacting with them should feel like talking to familiar people, we did something to build on this even further. We partnered with cultural icons and influencers to play and embody some of these AIs. They’ll each have profiles on Instagram and Facebook, so you can explore what they’re all about.