The latest internet meme is Sewer Horse: "Sewer Horse is Watching You"
I have no explanation for the image. Is it real or fake? I haven't got a clue. It seems a bit unlikely that a horse would end up in a sewer, but then he could be in a large underground tunnel that has an opening he's looking out of. Sewer Horse is so popular that he even has his own website
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I vote for "fake."
Maybe sewer horse is one of his minions?
I hope that horse is in a tunnel!!
PS Ceiling Cat sees everything!
Sewer Horse is a neutral third-party from the Far East, unrelated to the white/black good/evil ceiling/basement manicheism of the cats (as pointed above, horses are traditionally associated with Mongolian Chinese armies; while cats are Egyptian, thus middle-eastern and dualist).
This could be one of them.