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haha. The mouthino, the supersymmetric partner of the mouth? (there is another supersymmetric option for my partner, but I will avoid it :D)

Hahaha! The mouthino, that's great! I really wanted to find a great image to use in response to this...but nothing too on point came up. Someone's got to get in on this! The best I could find were these little smiling particle plushies at https://www.particlezoo.net .

But it still looked like something you're family would enjoy! :D

Those little plushes are very well known in the high energy physics community. Some colleagues have them, but not me. I boght once particle magnets for thr kids, but never the plushes. Maybe one day :)