>>14170128Froakie has always been ninja/thief/rogue inspired, Greninja's legs are reminiscent of Ninja pants that has bulky thighs but thin calves, see Ibuki from Street Fighter for example.
For all you know the foam works just like with Cyndaquil's fire, as in it can control it on or off, seeing as Froakie already had control over it's bubbles mass, obviously Greninja would too, and could create them on the surface of it's tongue, or the bubbles are under it's tongue.
The Triangular shape gives the impression of speed, becuase it's a Ninja, and origami coincides with it's Japanese origin.
And Tongue scarf is also another reference to ninja's with scarfs, see Strider
>>14169979And frogs use their tongues as weapons to capture prey, it's a clever design to use his tongue as a scarf that references both his frog aspect and the ninja aspect.
>>14170130You are wrong, it's always been referenced to Ninja's/thieves archetype.