Two hidden characters

Lets talk about the two characters who have been shown in the manhwa but we do not know their identity

Posting the images below for reference. Tell me waht you think about it.

  1. The person we saw with jiwoo’s mom at research facility.

My guess: Greg. One of top 10

Image 1 to 3

  1. Other person operating the research facility. The one behind the laptop screen. The same person who is researching the eclipse. And the one who gave eclipse to duke

My guess: Jurion Patrik

Image 4 to 7

What do you guys think about it ?