The scope of the dissertation with subject "Virtual representation of the Greek Sign Language in Internet", is the implementation of an interactive and internet-based system capable of animating normal human movements and gestures through a humanoid model. There are two basic capabilities of the system: The first one is a simple representation of some demo movements, i.e. walking, jumping, greeting, and the most important some gestures which represent meanings in the Greek Sign Language. The second option is a more interactive one, since it gives the user the opportunity to make his own scripts and manipulate the model in various ways. The implemented system can be potentially the base of a more enhanced system which can be used as an interpreter between deaf people and the rest who do not know the sign language.