Mars performed at the Gathering of the Juggalos .
Over 120 musical artists performed at the event , including the likes of Tech N9ne , Kottonmouth Kings , Ice Cube , GWAR , Coolio , Vanilla Ice , Onyx , Scarface , The Dayton Family , Bizarre , Bankrupt Records , Mars , Smokey Rameriz , Esham , and NATAS .
Gathering of the Juggalos