FURVERT!

3_toes anthro balls barely_visible_genitalia barely_visible_penis belly brown_rat chest_fur covering covering_crotch covering_penis covering_self elderly_anthro elderly_male erection facial_hair feet fur genitals goatee grey_body grey_fur hairless_tail hi_res inside long_tail looking_at_viewer male male_anthro mammal master_splinter murid murine neenya notched_ear nude penis penis_tip pink_nose pink_tail rat rodent smile smirk snout solo tail teenage_mutant_ninja_turtles teenage_mutant_ninja_turtles_(2003)toes water wet whiskers