The South Side Junior Mafia Crips (SSJMC) also known as the WorldStar Gang (W.G.), Rich Mafia or Up Town Crips, are an active African-American Crip gang located in Lakewood, California. Their neighborhood is around Pioneer Blvd, between the 605 San Gabriel River Freeway (west), Norwalk Blvd (east), Del Amo Blvd (north) and Centralia St (south).

The South Side Junior Mafia Crips are one of the most well-known street gangs in Lakewood, and fall under the Junior Mafia Crips umbrella. Their neighborhood consists of five main Cliques the 205th Street, 207th Street, 208th Street, 209th Street, and Del Amo Boulevard Crips.

Allies & Rivals

The South Side Junior Mafia Crips are considered allies of All Junior Mafia Crips, All Mafia Crips, 195th St Bangstars, 215th St Lakewood Village Bangstars, and the 206th St Bangstars as well as the South West Varrio Junior Mafia 13 (Sureno Gang) and most gangs under the Deuce (2x) brand. They are enemies of the Neighborhood Crips also known as Hoodsta Crips. Rivals include: Bloomfield Park Pirus, Dark Side Junior Mafia Gangster Bloods, East Side Palms Park Bloods, Lakewood Family Bloods, LA Palms Park Bloods, Mayfair Park Gangster Bloods, Murder Ville Bloods, Niggaz 4 Life Gang, Ruff Ryders, Samoan Army Pirus, Straight Bloods Society, Varrio Lakewood, Whittier Palms Park Bloods, and the Tough Artist Group (Taggin Crew).