Original sentence: Other avatar systems exist, such as on Gaia Online,WeeWorld, Frenzoo or Meez, where a pixelized representation of a person or creature is used, which can then be customized to the user's wishes
Edited sentence: Other avatar systems exist, such as on Gaia Online, WeeWorld, Frenzoo or Meez, where a pixelized representation of a person or creature is used, which can then be customized to the user's wishes