Dr. Rex

Rex is a non-player character appeared in Envymask chapter.

Overview
Dr. Rex is known as a mad researcher that cause a spread of zombie virus from Rex Research Institute to the Lost City. Moreover, he also invented Siege Types which had caused massive destruction. (Phobos, Oberon and Dione)

Revelation
Dr. Rex revealed himself in Envymask chapter. He mentioned about his Super Soldier Program to create a super solider that will be useful to the end the war. However, his experiment failed. Instead of super soldier, zombies are born and the viruses are viral. He also mentioned that someone is continuing his research and managed to unleash prototype super soldiers known as Neid and Zavist.

Rumors
Psycho zombie was rumored to be Dr. Rex but it was wrong. Psycho zombie is just an infected surgeon.

Trivia

 * His full name is Rex Steve.
 * His face resembles Tony Stark from Iron Man series.