Sethbling (born April 3, 1987 (1987-04-03) [age 31]) is a Minecraft map maker on YouTube. He is also known as the "King of Redstone" for his complicated redstone creations. He started his channel on December 19 of 2006, making him one of the earliest YouTube channels, but only uploaded his first YouTube video on January 19, 2011. Almost everything posted on his channel are Minecraft mini-games and contraptions. He has also posted videos of him speedrunning Super Mario World, as well as custom map gameplay such as Vechs' Race for Wool with some redstone friends like FVDisco, Etho, paulsoaresjr, and Element Animation.
Sethbling is famous for creating maps in vanilla Minecraft, as well as recreating popular games. He uses redstone, command blocks, scoreboards, and other techniques to create unique mechanics. All of his maps and builds can be viewed on his website. 
SethBling has participated in season 9 and season 12 and onward of Mindcrack's UHC. He participates in every UHC he can. He has won 3 seasons: seasons 12,13 and 22.