Arnold Schwarzenegger and Sylvester Stallone are the two biggest action stars who show off their big guns and iconic sayings. While these two may have the long-running film series "The Expendables" in common (as well as dominating the box office in the ‘80s), they are completely different as people. If you want to know how different, "The Terminator" actor shares how he and Stallone contrast as people, including their levels of anger.

The dynamic between Arnold Schwarzenegger and Sylvester Stallone appears like a sibling rivalry of entertaining proportions. While promoting his book "Be Useful: Seven Tools for Life," Schwarzenegger spoke to People about how his friend is more quick to express his emotions.