Rule 34 Dev - 2024 anthro ass belly big_belly elder elderly elderly_anthro elderly_male grey_body male mammal master_splinter moobs murid murine navel nipples old overweight overweight_male pink_body pink_nose rat rise_of_the_teenage_mutant_ninja_turtles rodent simple_background smut_leo solo teenage_mutant_ninja_turtles|10420900056