1. Manchild (Greg Owens) is a rapper from Atlanta, GA. He is the main lyricist for the hip hop group Mars Ill and is also a member of the Deepspace5 collective. Instead of recording a studio album, Manchild is currently recording and releasing music through a members-only WordPress blog - www.manchildinsider.com. He produces 5 tracks a month that are downloadable with a monthly subscription for $5. 2. Manchild was a band from Calgary Alberta, now called The Diet.