In charge of overall design work (icons, themes etc) and making sure all the css is correct.

Monkey: Any of various long-tailed, medium-sized members of the order Primates, including the macaques, baboons, guenons, capuchins, marmosets, and tamarins and excluding the anthropoid apes and the prosimians.

Javscript monkey: one of the above whose job involves writing javascript.

Project Manager / Lead Developer

A developer on the project. Likely in all areas (php/js/xhtml/css).

A member of the beta testing group assigned to help out with a project. Hopefully they will also know enough to fix bugs as well as report them....

Somone whose role is purely html/css/design based