Well, at least their links. Some of it seems to be Serious Art, some of it not so much.
The work of Etsy user GimmCat:
Original painting titled Walrus Ponders a Bucket
Original painting titled "The Divine Judgment of Ceiling Cat".
Oil paintings inspired by Internet memes
Abstract piano piece recreated by editing together YT clips of cats playing piano
I'm not sure how to feel about all of this yet. Just thought I'd make note of it here.