Chuckles: 

*a simple chuckle*

*an awkward chuckle*

*a sad chuckle*

*a bitter chuckle*

*a fake chuckle*

*an evil chuckle*

Laughter:

*laughter*

*chuckle to laughter*

*burst out laughing*

*talking into laughing*

*thinking into chuckle into laughing*

Special Laughs:

*evil laugh* (length as long as you want it to be)

*quiet laugh* (length as long as you want it to be)

*Insane laugh* (length as long as you want it to be ((go CRAZY!!)))