Shrew

Shrew is a character from Pathologic: The Marble Nest.

Pathologic: The Marble Nest
During the events of The Marble Nest, Bachelor finds Shrew, Sleepy Head, and Sticky gathered near the Silent House. Over Sticky's insistence that he not trade any nuts to Shrew, the Bachelor exchanges several nuts for Shrew's lockpicks, which allows him to discover the carriers behind a locked door in the house.