Yggdrasil originated from Norse mythology. It is the great ash tree that holds together earth, heaven, and hell by its roots and branches in Norse mythology.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.

Yggdrasil or King Drasil is The God or King or Ruler of the digital world.