Stanley Robinson (born January 7, 1979) known as Substantial is a hip hop recording artist from Prince George's County, Maryland. He now operates out of Virginia.

His videos have appeared on MTV, BET, and VH1, while his music has made it to the second round of Grammy voting in three categories. The renowned car company Bentley reached out to have Substantial’s supergroup, FANOMM (with Chew Fu & J-Cast) to create a song for them and perform in China at their car show.