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2019 4:5 5_fingers absurd_res anthro anthrofied balls biped blush dragon_koopa erection eyebrows fingers genitals grey_eyes hair hi_res humanoid_genitalia humanoid_penis koopa koopaling looking_at_viewer ludwig_von_koopa male mario_bros nintendo nipples nude penis reptile scalie simple_background slightly_chubby smile solo teeth timidwithapen