A mash-up is when two (or more) segments of stuff – in this case two of the great movie franchises of the 20th Century – are combined to form something else altogether.
Another form a mash-up can take is superimposing one thing on another, thusly:

Dandy and Judel

Hermy and Harione

Brangelina
I have no idea who created these but they’re a genius. And isn’t interesting how the women look a whole lot better than the guys?
This isn’t a mash-up, but it’s too cute to be ignored. Grrrrowrrrrr!
This proves that dogs are far more intelligent than cats. Pooch would have royally ignored the fake cat 😛
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I dunno. I reckon a search of the interwebz would show puppies doing their own versions of the silly dance. The Pooch is, of course, in a league all of her own 😀
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The mash ups kind of creeped me out a little (especially Brangelina!) That kitty video was adorable. My younger son watched it with me and we just cracked up. Thanks for sharing 🙂
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It’s one hopped-up-on-endorphins Kitty
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Hmm, those “males” look like some creepy characters out of a sci-fi movie!
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Creepy, non? The two Daniels don’t come off too bad though.
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I almost want to get a cat statue to see what Molly the Cat would do. Her foster mother said she likes people and dogs more than cats. But, I see her looking intently in the window at night and wonder if she thinks her reflection is another cat.
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Tempting, isn’t it? … I’m not sure what Widdercat wold do in the same situation. Probably smack it in the head and go take a nap!
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The cat video is hilarious. I guess it comes down to cats operating more on sight and dogs more on scent, which is why they aren’t as irritated by a fake like that.
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Yeah, a dog would probably pee on it!
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Heh, probably. *g*
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Dear Widdershins, thanks for sharing this Mashup theory and examples with us.
Joan
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You’re welcome 😀
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