Big M stands for Maska! Seen On the Street By WestbyMidwest on January 16, 2016 Location: 26th St in Oakland, Ca Artist: Maska. ASE. Meck. Uter. Charles. Photographer: West by Midwest. Tags: ASE, Charles, Graffiti Characters, Graffiti Writers, Maska STM, Oakland, Oakland - West Oakland, Uter