Sleepy Eye
Sleepy Jackson
Sleestack
Slenderback Treecatimous
Slicer
Slick
Slick Willie
Slicker
Slickers
Slicks
Slickster
Slicky the Porch Panther
Slider
Slim
Slim Jim
Slinker
Slinkerdoodle
Slinkus.
Slinky
Slinky D.
Slinky Malinky
Slinky Pinky
Slinx
Slipknot
Slippers
Slippery
Slither
Slither Cat
Slitzercoo
Slobbash Butterball