Rule 34 Dev - abs alien antennae anthro armpits athletic biceps big_muscles biker biker_mice_from_mars boots bulge_through_clothing ear_piercing eye_patch eyewear fur grey_fur hi_res male male_focus male_only mammal mechanical_arm modo_(bmfm) mouse muscular muscular_male nipples piercing pinup pose rheobear robotic_arm rodent sitting_down solo standing sweat sweatdrop sweating sweaty_balls sweaty_body tail teeth underwear|7901716320