A muscular (African American) alpha beefy massive pumped old muscle daddy with big arms, pectorals and thick thighs, huge beard, grey hair, with tattoos covering chest and abdomen, realistic, 8k, 3d render, unreal engine, NVIDIA, RTX 4090, by Greg Rutkowski, hyperrealistic, dynamic pose

easynegative,ng_deepnegative_v1_75t,(worst quality:2),(low quality:2),(normal quality:2),lowres,bad anatomy,normal quality,((monochrome)),((grayscale)),((watermark)),( bad-hands-5), (bad fingers), (bad arms), (bad hands), (thin), sagging breast, huge breast, bad legs, ((deformed hand)), ((abnormal hand)), (long face:1), (less than five fingers:1), (more than five fingers:1), (high forehead:1), ((slanted eyes)), sagging breast