They are born from where dusts gather. 

Whether they are consisted of dust is a question not answered.

However this tendency of birth makes them to have higher chance of  being near decaying, forgotten place.

 

They eat objects, feeding on the objects' memories. 

 

Therefore, the taste of an object is related to the memories inclined to the objects. 

In their intestine should always be one object being slowly digested. When an object is fully digested, it becomes dust in their stomach. When an object turns into dust, it indicates no one who has ever remember the object  is alive. When the object in their body nearly fully decomposes to dust, little organ under stomach senses shift of pressure and indicates hunger. If all the objects in their intestine gets fully digested and they have nothing but dust in their stomach, they break into a heap of fine dust together with dust of objects and become gone away as the wind blows.  

 

 

They would sometimes lick objects to taste its seasoning memories. 

When they find object with the memories they like, they wait until the owner forgets or dies.

It is said that their licking wears the objects out. For example, they would lick into the pages of books while you are not looking at them, and that is one of the reasons why papers get browned when you pick up old books.

Sometimes, if they like something too much, they would break the object to make the person throw it away.

Those living in forest feed on the leaves of forest, and little of dead carcasses. 

There are those that walk the grass of graves. the kinds feed on dried out flowers in front of graves. 

Sometimes, they would eat parts of weeping angels or headstones. Greedy ones would lick away the names on headstones to make people forget about it faster- but these ones first make sure the grave is not haunted.  

 

 

They  do not touch something that seems very valuable unless its owner dies. There is no law against it, but it just is not recommended among them because even if they manage to keep the object to themselves, whenever those who remember the object think of it, they have to suffer pang in the stomach. The more the people look for the object, the harder. Sometimes, when it becomes unbearable they throw up the half digested, therefore dust smothered objects and place them wherever it suits them. Although the stomachache is something that visits them mildly from time to time, they try to avoid it as much as possible.

 

The usual diet of them consists of trash on old streets, posters(especially illegal ones) put on the wall and poles with with duck tapes. old library books are rather delicacy. When a building becomes demolished, their feast begins, because old buildings are full of memories, yet people soon forget of the bricks and flakes of paints that consist of it. 

 

 

Their is a legend of the giant '' that gradually became large by eating scraps and little pins, needles and grew enormous gradually.  It devoured so much objects that pangs of little objects pricking his stomach didn't bother him in the least because the walls of its intestine was so thick. However, since his stomach has gotten too big it couldn't help eating up chunks of houses and even people. In the end it was killed by Shadow Stalker. 

 

 

Their looks adapt to the world they live in. 

The ones living in this city have brick and black lines texture on their back.

It has face of a mole, and claws like one too. the front paws are more like fingers, and it has tastebud on tips of it. 

Some of them cover theses hands with gloves, to prevent vile taste invading them. 

The ones living in the city sleeps inside the windows of closed down shops. (They hate 24 hour coffee places.)

 

 

It walks and crawls  through sewage(toilets are their casual way of traveling. They flush down toilet and go through the sewers.)

Common ways would be the ways of pigeon: rooftop and electric lines. Their hands are very deft with locks- they can open about every single locks in the city except for the serious ones. 

 

They die when everyone who remembered the objects inside their stomach dies. The more they feed from the place, the more they are inclined to them. Sometimes they form a society, always having the new comers take a piece from a certain monument so that all of them can share the same memory of the monument.  Sometimes, when certain folk is too much attached to the city it commits suicide by forcefully tearing out the object from their stomach.