A note from the Kumamoto International Squamate Reptile Desk (merged with the General Reptile Desk because - what, “squamate”?!):
Geckos are known scientifically as cute little guys who eat lots of bugs. As such, in Japanese, they are called yamori (家守), which literally translates as, “Dude - just leave the genkan unlocked. I’ve got this.”
Gecko do not have eyelids; they clean their eyes by licking them, so if one seems to be staring at you, give him a break. There are some 1,500 species worldwide, most which are represented in my bathroom. They have excellent, multi-focusable vision which, incidentally, allows them to see your dreams. Some species are parthenogenetic, which means the female is capable of reproducing without copulating with a male - though, if from abroad, they still require a spouse visa to live in Japan.
Probably the coolest thing about geckos is their footpads, which contain spatula-shaped setae arranged in lamellae to enable attractive van der Waals’ forces between the β-keratin lamellae/setae/spatulae structures and the surface. This makes about as much sense to you as it does to me. Basically, it means that the little divisions on a gecko foot divide into smaller divisions which further divide into smaller divisions until nature finally says, “Okay - let’s not go overboard. Just stick with us.” It’s kind of like the Kardashians but with a purpose.
Wherever you live, many gecko live along with you, even if you’re unaware of them. They’re good guys, so leave them be. Especially as they know the content of your dreams. Below: Gecko foot. - William