The Thing that Shouldn't Exist (Or Should it?)

The Thing that Shouldn't Exist was a being that was kept as an attraction throughout the universe. (Or was it?) It made anyone who thought about it for long enough to question its existence and everything they ever knew. (Or did it?) The Dynasty of David later enslaved it to make people question every thought they ever thunk until they joined the Dynasty. (Or did they?)

The following is an image of said creature. (Or is it?)