The Permanent Booru

Score: 0.061

+ anthropomorphism	4530491
+ art	35146
+ ass	1471014
+ balls	1416899
+ black fur	324053
+ blush	1364843
+ booru:e621	1475840
+ booru:rule34.xxx	161594
+ character:knuckles the echidna	7807
+ character:shadow the hedgehog	11554
+ creator:shanzehpoo	56
+ duo	2036716
+ face	970131
+ facial expression	888259
+ gender:male	3524676
+ genitalia	2327573
+ genitals	2706312
+ grin	113089
+ humanoid genitalia	534596
+ humanoid penis	542493
+ male on male	201722
+ male/male	743086
+ medium:1:1 aspect ratio	272660
+ medium:high resolution	3019418
+ medium:simple background	1623961
+ penis	2159572
+ purple eyes	199624
+ rating:explicit	3750939
+ red eyes	354046
+ red fur	105180
+ series:sonic the hedgehog	169067
+ shanzehpoo	43
+ smile	1406951
+ species:echidna	9907
+ species:eulipotyphlan	63265
+ species:hedgehog	63667
+ species:mammal	4517882
+ species:monotreme	10815
+ text	1224555
+ vein	263864
+ veiny penis	197246