Rule 34 Dev - ai_generated anthro balls bear beastars biceps big_arms big_pecs brown_bear brown_body brown_nose claws dot_eyes grizzly_bear halloween halloween_2024 male male_only mammal muscular muscular_anthro muscular_legs muscular_male pumpkin riz_(beastars) solo ursine vein veiny_muscles veiny_penis yiffinar|12720673960