Greek mythology to dominance is frequently called the "Dorian invasion". The Lydian and later the Macedonian kings, as rulers of the same rank, also became Heracleidae. Other members of this earliest generation of heroes such as Perseus, Deucalion, Theseus and Bellerophon, have many traits in common with Heracles. Like him, their exploits are solitary, fantastic and border on fairy tale, as they slay monsters such as the Chimera and Medusa. Bellerophon's adventures are commonplace types, similar to the adventures of Heracles and Theseus. Sending a hero to his presumed death is also a recurrent theme of this early heroic tradition, used in
Unleashed (Fringe) is actually not going to work. So to have your real wife do it, then you can be a lot better on screen". The scene where Walter confronts the chimera was shot in a Boston sewer. He and Peter carry 50 caliber Desert Eagle handguns, called "monster killers" by one prop crew member. While shooting, the actors had to use their imagination, as the CGI monster was not yet complete. Director Brad Anderson described the chimera "sort of an amalgam of a bat, lion, and a dragon". Anderson called the scene between Walter and the chimera as a "triumphant moment"