He had a trademark appearance years before ... I still help coach football with kids and I'm assistant dean of students." Murphy's son, Mark Jr., is a sophomore at Indiana University.

You may not have even noticed but at some point Murphy just stopped laughing like that. Turns out, it was a conscious decision he made once it became a trademark ... I’m going to stop laughing.’ ...

Eddie Murphy's trademark laugh from the 1980s may have been ... It was like, 'Hey, you know what, I'm going to stop laughing.' I forced myself to stop laughing, which is really an unnatural ...

Off-camera, Murphy declared in character, “I’m staying here. Don’t tap me.. I’m staying! The people want to see me!” Then to laughter, Murphy’s grizzled green character finally exited.