What does this symbol mean?

[Hawker]

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On the shoulder below the tentacle, looks partly like the number "3" . Is it a kanji or? ..I'm sure I've seen it before but I just can't figure out where. Anyone who knows the meaning?

 

[Avani]

It's Sanskrit.

The letter represents sound of "Aum" or "OM".

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[Hawker]

Oooh I see, Thank you !

 

[YowYan]

Isn't it the the symbol representing the vibration/sound that the sun produces?? So I've heard..

 

[Wang]

I find it amazing that you got the real answer.

 

[shonu]

Yup..thats Sanskrit!! Its OM-the most divine symbol...Represents God N also what YowYan said!! Also "AUM"