Theatre technicians often have colorful nicknames for each other. Like most nicknames they can be highly offensive, merely humorous, or even respectful depending on the attitudes of the person using them and the person being refered to. Some of these names include:

Electricians=
Squints, FITWE (pronounced Fit-Wee, and short for Freakin' In The Way Electricians), Sparkies

Sound Techs=
Hum Heads, Noise Boys, Soundinistas

Carpenters=
Carps, Wood Butchers, Hammerheads

Props Crew=
Prop Tarts, Proptologists