https://www.reuters.com/investigates/special-report/global-art-banksy/If you don't want to read the whole thing, the upshot is that while it is not verified by the artist himself or his representatives and they told Reuters that they had some of the facts wrong, they believe that they have convincing evidence that Banksy is an artist who WAS named Robin Gunningham... and over a decade ago when many clues were coming together to make him feel that he was in danger of being revealed... he changed his name. Legally. To one of the most common names in the UK. David Jones.