Krusty

"Living your life to the fullest 'til the moment of your death, this is the rule to live by in any world."

- Crusty, Volume 2 Annex

Crusty, also known as Berserker Crusty, is the guild leader of D.D.D, the biggest battle guild in Akihabara. He is a Guardian and the spokesperson of the Round Table Alliance.

Resolve
Crusty is mentioned by Marielle and Shiroe as they discuss the situation in Akiba. They note his fame for completing legion raids that people of other servers believed would be impossible for the Japanese to defeat.

Villain in Glasses
Crusty receives the invitation from Marielle and Shiroe to attend the Round Table Conference and decides to postpone D.D.D's next raid in favor of attending the conference due to Shiroe's influence in it.