[sgtbono2002]

What can you call a man who runs at full speed and rams his head into a wall?

[TomGuy]

What can you call a man who runs at full speed and rams his head into a wall?

The first thing that came to mind after reading your post was Wyl E. Coyote pursuing the elusive Roadrunner. No matter what new gimmick he musters, nor how fast he runs, the Roadrunner manages to get away, and most of the get-aways are due to Coyote's ineptitude.