SStallone052608_01_X17.jpgSylvester Stallone SStallone052608_03_X17.jpg John Rambo may not hesitate to put himself in danger for a fellow American - but Sly Stallone isn't quite so brave!

We spotted the muscle-bound actor stiffing a homeless man begging for donations as Sly walked past. Guess he's got the eye of the cheapskate!