Beyond Rhino, Whale, and Mammoth would be nice. Beyond Human. Beyond Jeff Bezos. I mean, while we’re doing simple nutritional approximations with plant matter, I don’t see why we wouldn’t get more ambitious.
There was actually a group of biohackers working on producing lab cheese a while back ("Real Vegan Cheese" IIRC) that included producing narwhal cheese as a stretch goal in their crowdfunding campaign. Sadly I don't think they've gotten even as far as cow thus far.