What is this "sponge rubbing" toy called :?

[Pocuang]

hello fellow human beings :)
I´d like to know what this thing is called:

Imagelink: http://s1.directupload.net/images/131008/nxywgniv.png
So if somebody would know it dont hesitate writing it in a reply here :D
Thanks already in advance for writing write ^^

 

[NeahThe14th]

If I'm not wrong, it is called an Onahole / Onaho. It should be correct.