If your mind is in the gutter, then you're not alone. It's much more exciting to live in the sewer, anyway. The Teenage Mutant Ninja Turtles live down there. 

 

1.

mms

via retailhellunderground

2.

via bookiecookie 

3.

elmo

via RugLug

4.

finger

via mixedmartialarts 

5.

bj

via muscleman2000