Rule 34 - 5 Fingers Anthro Balls Bodily Fluids Chest Markings Echidna Erection Fingers Foreskin Fur Genital Fluids Genitals Half-closed Eyes Hi Res Knuckles The Echidna Looking At Viewer Male Male Only Mammal Markings Masturbation Meat Sweats Monotreme Muscular Muscular Male Narrowed Eyes Navel Nipples Nude Penis Precum Purple Eyes Red Body Red Fur Sega Signature Simple Background Sitting Solo Sonic The Hedgehog (series) Tan Body Tan Fur Three-quarter View