Is Greninja's scarf its tongue?

Question

sure looks like it

Comments

Lickytung must be so jealous...

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that's nasty i have now lost my love for greninja

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in poke amie if you feed it pokepuffs it opens its mouth but it does not seem to be connected.

Answer 1

Actually, Fondant is making a point here - Greninja does open it's mouth in Pokemon Amie:

I just can't tell if it is connected or not.
Suit it whatever you want, there's a picture - mouth open - say what you please.

Hope I helped. :)
Source: www.youtube.com/watch?v=gUM4gJ9QBfQ

Answer 2

Yeah I think.

I mean, it is pink and long and frogs tend to have long tongues.

Comments

is it official, because if this is what you think, then you need to put in in the comments

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It's  99.99% certain because it's part frog, and frogs have long pink tongues and if it isn't what could it be? Also it appears that it wraps around its mouth.

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The only way to get it official is to ask Game Freak. Which I don't think is gonna happen very soon.

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Actually Greninja does open his mouth. In Pokemon Amie when he's eating Pokepuffs.

Answer 3

Yes Greninja's "scarf" is its tongue. It is not used in battle though =)