I believe those should be called **Baba Wawa **puppies.
**Are almost all canid and almost all felid species able to breed, theoretically? **
I doubt it. I mean, what would you call the offspring? Kittypups?
ETA: Un, never mind. I wasn’t reading the OP carefully. Still, kittypup? Wouldn’t that be cool?
I can has cheezdog?