CGP Grey

CGP Grey is an American-Irish educational YouTuber and podcaster who posts on YouTube under the channel CGP Grey. Grey also posts videos on his secondary channel, CGPGrey2, and livestreams gameplay on another channel, CGP Play. His YouTube channel mainly features short explanatory videos on varying subjects, including politics, geography, economics, history, and culture. The channel's most popular video is an explanation of the terminology of the British Isles, which went viral in 2011. Since then, Grey's videos have received increasing attention, having been covered by several publications, including Business Insider and The Washington Post. In addition to video production, Grey is known for creating the audio podcast Hello Internet in 2014 with fellow educational YouTuber Brady Haran. Since 2015, he also hosts the audio podcast Cortex with Myke Hurley of Relay FM.