ADLR-S2301 or Adler, is the main antagonist of signalis, trying to stop you from reaching your wife basically. He is first introduced after finishing the MHNR boss fight (physically I mean, the most we see of him before are from the memorandums that've been scattered throughout the facility), greets Elster and after a short conversation, pushes her into the out of order elevator. Leading her to fall to her death (or survive in this case). The second and third times we see him are when he meets and tries to kill Isa and gets stabbed, and also while hes sitting at the red gate. He also stabs Elster in the Promise ending. (ergo, she also shoots him at the same time so equivalent exchange.)

Adler is a particularly intresting character to me because he parallels Elster, he both wants to get Falke back and stop the loops from continuing. It just so happens that his goals kind of go against Elsters BECAUSE she has to go through Sierpinski to reach Ariane. Which leads to the facility getting more and more distorted. Overall, I just think hes neat!

Various fun facts about adler
• spent all of his rationmarks on a fountain pen
• exists
• literally why does he have acess to a nitro express what is wrong with him
• he is actually So Inconsistent I swear each frame he is in he looks so different
• fuckass hair