What's 3.6 cm tall (1.4 in), and could one day be performing tasks such as walking through disaster site rubble looking for trapped survivors? It's Zippy, which is reportedly the smallest ...

On the celebrated character actor, who walked tall through Westerns, crime pictures, and spy flicks for 60 years.

But his biggest claim to fame was as the former professional wrestler turned lawman Buford Pusser in 1973's "Walking Tall." ...