As descendants of Argall, Thragg has a very good reason for wanting to kill both Nolan and Mark -- he wants to make sure that his power isn't questioned, and that makes him very dangerous.

Does Oliver die in Invincible? And in what episode does he die? Discover whether the character dies and how he portrays ...

Thragg is a major player in the comic's Viltrumite War arc, which promises to take up a significant portion of season 4 early on. After season 3 teased that Mark's dad Nolan / Omni-Man (J.K ...