Grabby has been retired due to old age, with the last pours having numerous defects in the way of dents and pinched tentacle tips. Likewise Twisty was getting a little long in the tooth, although I may be able to get a few more pours out of it.
Both are due to be replaced soon by Polyp, which will incorporate many similar features and will also be made in multiple sizes.
The Dicktionary 