The character Momonga from the "Overlord" series orders his servants to call him by what name?

The character Momonga from the Overlord series orders his servants to call him Ainz Ooal Gown because it is the name of his guild and the character he embodies in the virtual reality game YGGDRASIL. After finding himself trapped in the game's world, Momonga adopts the name Ainz Ooal Gown as a symbol of his former power and authority within the game. By using this name, he not only maintains a sense of identity but also establishes himself as a powerful figure among his servants and allies.