DJ and musician who produced the Turntable TV video series and created an album-turned-animated movie Wave Twisters.
He began his career in 1990 as part of the musical group FM20.
He created an online community and training center for DJs called the Qbert Skratch University.
He was born in San Francisco to a Filipino-American couple.
He became a close friend of fellow DJ Mixmaster Mike, whom he met at San Francisco's Balboa High School.