Seeing as the dachshund was bred in the 1600s, I don't think Greek mythology would have included it. It would be like saying the trojan war might have had muskets because the Iliad doesn't say they didn't have them.
No, but a popular internet theory has his name meaning "spotted one" and whether or not it's actually entomologically true, is always a fun thought. To think a god of the underworld played fetch with spot, the goodest multi-headed boi
Every time I see a flat-faced dog, I feel bad for it. None of them can breathe properly. It's disgusting that they keep getting bred. Let those breeds die out!
My dad got the "cave canem" dog mosaic as a coaster when he visited Pompeii. He also put a "cave canem" sign above the dog house, which made most of the people walking by think his name was Cave.
People don't know much Latin even in college towns.