Aztrosist is a YouTuber and contributor to the SiIvaGunner channel.
Aztrosist created his current YouTube account on August 12, 2015, where he usually uploads videos based around his thoughts and opinions on various topics.
On April 7, 2016, a day after the GiIvaSunner channel was taken down, Aztrosist uploaded a video titled "The GiivaSunner Conspiracy". In this video, Aztrosist explains his theory as to why the channel was taken down. This video eventually ended up on the Liked Videos playlist on the SiIvaGunner channel.