He is, but like most artists at his level the work and execution is primarily produced by others. He's a brand manager at this point.

He's also Satoshi.

He's Robin Gunningham but probably has freinds.

There's most definitely many people involved in Banksy's art - but consensus seems to be forming that it's a man named Robin Gunningham [1].

1. https://www.reuters.com/investigates/special-report/global-a...