* This is a misspelling. Perhaps you're thinking of a different artist with a similar name.
* He is a lesser-known artist. Many talented artists work in various mediums, including sand, without achieving widespread fame.
* There is no consensus on the "best" sand artist. "Best" is subjective and depends on personal preferences and artistic criteria.
To help me find more information, could you tell me:
* Where did you hear about Michel Lepire?
* Do you know any details about his work, like his style, where he exhibits, or any awards he has won?
* Can you provide any pictures or links to his work?
With more information, I might be able to help you learn more about this artist.