By - fenderbender
Ralph. You should call it Ralph.
That's already the cats name. Try again
This one is more likely to be a Thanksgiving Cactus (*Schlumbergera truncata*) according to the pointy leaves.
Here's a good illustration of the differences:
That looks like a Christmas cactus.
It is a Christmas cactus. Just be careful because it is NOT a desert dwelling Cactus. It is an Epiphyte that lives in rainforests.