It's possible that:
* The name is misspelled. Perhaps you're thinking of a different artist with a similar name.
* The artist is relatively unknown. They may be a local or emerging artist without a large online presence.
* You might have encountered the name in a specific context. It could be a pseudonym or part of a larger collective.
To help find this artist, please provide more information, such as:
* What type of art do they create? (painting, sculpture, music, etc.)
* Where did you see their work? (online, in a gallery, etc.)
* Do you remember any other details about them? (their location, time period, any notable works)
With more context, I might be able to assist you in finding out who "Artist W Sopia" is.