Prompt: retro vintage motorcy club illustration art by butcher billy, t shirt design , muted colorful, illustration, highly detailed, simple, smooth and clean vector curve, no jagged lines, vector art, smooth andy warhol style
Negative prompt: layman work, worst quality, ugly, (deformed|distorted|disfigured:1.21), poorly drawn, bad anatomy, wrong anatomy, mutation, mutated, (mutated hands AND fingers:1.21), bad hands, bad fingers,loss of a limb, extra limb, missing limb, floating limbs, amputation, Yaeba, hat, cap, foam, comedone, skin cancer, psoriasis, eczema, herpes