There's actually a Studio Ghibli (that's Hayao Miyazaki studio) anime called Pom Poko that stars Tanukis. In it they make great use of their testicles, from beating the shit out of people with them to using them as parachutes. And it's for kids!

Kuniyoshi was awesome.

Holy…. I don't get it.

Oh, c'mon guys—this makes perfect sense. See? The raccoon dogs, they…I got nothing. This is some crazy shit.

So… I guess opium dens were really a big hit back then huh.

The start of Hentai perhaps? The second picture could easily morph from testicle to tenticle.

It's Takuni!

This rules out my “the Japanese are weird because of the bomb” theory…

Oh those Asians.

what the junk?!?