Cheshire cat

The Cheshire cat is a character from Alice in Wonderland. It is known for its special grin. It is also special because it can make itself invisible, but sometimes the grin can still be seen. The concept of the cheshire cat has been very popular, and it has also been used in other domains of science, to describe certain phenomena. It also was known well by his drawing by Tim Burton

Original illustration from Alice in Wonderland