Isaiah Crawford, known professionally as Perc40, is an American producer based in Atlanta, Georgia.

He began his career in 2018 under the name 808Escobar, primarily producing bass heavy trap instrumentals. He would later rebrand to his current alias and begin creating plugg inspired beats, influenced by producers like StoopidXool and A$ATT.

Perc frequentely collaborates with fellow producer tdf, as well as artists like OsamaSon, Smokingskul, Okaymar, and 1oneam, among others.