The following article or section contains information from a Christmas map and may not be canon.
The Zergrinch Goblin is a powerful strain of zergling used as elite troops within the Zergrinch Followers. They often accompany Zergrinch on missions.
Many zerg ground units may burrow, rendering themselves invisible but incapable of moving or attacking.
2001-02-02, Operation Claws. StarCraft Compendium Map Archives. Accessed on 2008-15-03