Meet Thundercat, the Jazz-Fusion Genius Behind Kendrick Lamar's 'Butterfly'

They all know Thundercat at the ramen spot. He’s not the kind of person you forget. I first saw him about seven years ago playing bass for Erykah Badu, wearing intergalactic shoulder pads and an eagle-feathered Cheyenne Indian war bonnet. You couldn’t tell if he was 23 or 230, the…