Older man sitting at a desk with a laptop and papers

Knowledgeable old grandfather

(nsfw:1.5),(deformed, distorted, disfigured:1.3), poorly drawn, bad anatomy, wrong anatomy, extra limb, missing limb, floating limbs, (mutated hands and fingers:1.4), disconnected limbs, mutation, mutated, ugly, disgusting, blurry, amputation, double heads, helmet, cap