Middleton was born on 8 November 1991 in , England. He is the eldest of two siblings. His parents divorced when he was a child. He attended Northampton University and started a YouTube channel dedicated to while at university, in which he called himself "PokemanDanLv45".

In 2012, Middleton created The Diamond Minecart, a more professional, children-focused gaming channel. His YouTube channel name eventually changed to TheDiamondMinecart // DanTDM. He produces videos out of his home studio in Wellingborough. In an interview with , Middleton describes his process in making videos: he gets up around 9am and starts working on the video an hour later. He checks for Minecraft updates, edits the videos in the afternoon, and uploads the finished product at 8:30pm, after which, he checks for comments. He said "There isn’t another game where free content comes out every day made by fans, and some of it is mind blowing." On weekends, he prepares videos in advance. In addition to -styled videos, he makes mini films that involve original characters. He also started a vlogging channel named MoreTDM, in which he posts videos about his daily "non-Minecraft" life.

Middleton has been a regular guest at the gaming festival, where he appeared on the big stages in editions 49, 52 and 53. He was also featured twice on BBC's - where he commented on several videogames, and once on 's - where Middleton talked about being a YouTuber.

Middleton married his girlfriend Jemma on 17 March 2013; she also enjoys Minecraft: "we spend a lot of time gaming together, and I bounce ideas off her as well".


  • Book Gamers Edition 2016 for most goals scored on 'rookie' level in 2vs2 multiplayer (co-op) on the football game, .
  • in the category UK Favourite Tipster: and