A$AP Mob Founder A$AP Yams Dead at 26 Brendan O'Connor · 01/18/15 03:10PM A$AP Yams, the founder of A$AP Mob—a hip-hop collective whose most famous members include A$AP Rocky and A$AP Ferg—has passed away, The Fader reports. He was 26 years old; the cause of death is unknown.