Alexander "Xander" (born: July 23, 2003 [age 20]), better known online as Xman 723, is an American gaming YouTuber whose content primarily focuses on the video games Garry's Mod and Five Night's at Freddy's, Biography: Xman 723 was born between the years of 2003 in the United States of America. At the age of 10, he created his YouTube channel, on November 5, 2013, which was also when he created his first YouTube video, First time on YouTube playing Minecraft.