With Pokemon's large fanbase, there will no doubt be some creations surounding Mew in the fanbase.

Such as a theory where the Pokemon Ditto is a failed clone of Mew...

 

 

 

 

 

 

 

Or how Mew and Arceus, the Creator of all Pokemon, are related...

There are many theories and speculations, yet some people have made characters based off Mew and even manupulating Mew's appearing themselves.

 

Or simply adding a scarf and eyelashes...

...From adding clothes and even hair...

 

There have been many ways Mew's appearence has been modified by the fanbase. From changing the fur color and adding clothes and hair and adding patterns and quirks, Mew has a respectable amount of fans. There have even been fans so dedicated as to make plushies of Mew themselves, such as the shiny Mew plush below:

There have been many fan works and official works of Mew, good and bad alike. And Mew's popularity continues to grow to this very day.