"Delitros" is a villain character from the anime series "Webdiver" (full title: Denno Bokenki Webdiver or Cyber Adventure Journal Web Diver).
In the show, Delitros is an evil "Web Knight" who is associated with a character named Dark Gladion. He has an "Eye of Delitros" which is a key part of Dark Gladion's design. The series, which ran in the early 2000s, focuses on a group of kids who enter a global computer network to fight against a virus that has corrupted the Web Knights who protect the digital world.
The name "Delitros" also appears in the soundtrack and other related media for the anime. It's a recurring antagonist force in the story.