Artist Info: Mad Insanity

From Wikipedia..

Mad Insanity is

Mars & J RZ

J RZ is Mars's homeboy

Mars (Born Mario Delgado[3] in 1980) is an American rapper from the San Francisco Bay Area.[3][4]
In 2005, he received national attention when fan Jeff Weise frequented Mars' website and forum before killing nine people.[5]
In 2009, Mars received attention when it was learned that Mars' music was an influence on the music of horrorcore fan Richard Sam McCroskey, who allegedly killed four people. [read more...]