More to explore:
This thing exists in reality! "Cuscus, Taronga Park, Sydney" photo by Axel Poignant circa 1954.
cuscus - One Weird Animal
The common spotted Cuscus...I thought I had seen all of God's creatures at this point; but I've never seen this one.
Common spotted cuscus (Spilocuscus maculatus) | Axel Poignant (c.1954)