The influences are obvious from in front (see first video below) but once he got them down he made them into his own like no one else (see second video below and tons more on YouTube).
object width="375" height="306">
He was an original painter too (scroll down when you get to that link), one of those creators I'm always writing about here whose work opens up whatever form they're creating in to new possibilities and rewards. The man made it all his own.
[Here's the Rolling Stone obit.]