Markus Alexej Persson, also known as "Notch", is a Swedish video game programmer and designer. He is best known for creating the sandbox video game Minecraft, which has since become the best-selling video game in history; and for founding the video game development company Mojang Studios in 2009. Persson is currently working on new games under the banner of Bitshift Entertainment.

Minecraft is a 2011 sandbox game developed by Mojang Studios and originally released in 2009. The game was created by Markus "Notch" Persson in the Java programming language. Following several early private testing versions, it was first made public in May 2009 before being fully released on November 18, 2011, with Notch stepping down and Jens "Jeb" Bergensten taking over development. Minecraft has become the best-selling video game in history, with over 300 million copies sold and nearly 140 million monthly active players as of 2023. Over the years following its release, it has been ported to several platforms, including PC, mobile and various consoles.