First done by his dad Andre Williams as Velvet Hammer. Well it could have been…
Well he got so popular that he began to cheat a bit with that Robin Thicke Guy – maybe the names is a clue as they copied Marvin Gay with an aptly named song:
Good name for this rip off of Marvin that cost him and Robin Thicke 7.4 million in damages.
Wikipedia: Pharrell Williams