“"You know.. I know this steak doesn't exist. I know when I put it in my mouth; the Matrix is telling my brain that it is juicy, and delicious. After nine years.. you know what I realize? Ignorance is bliss."”
―Cypher justifying his decision to betray his friends and re-enter the Matrix.
Cypher (real name: Mr. Reagan) was a redpill assigned to the Zion hovercraft Nebuchadnezzar under the command of Morpheus. He was also the one who betrayed the crew of the Nebuchadnezzar to aid Agent Smith to help him achieve information on the Zion mainframe.
As a redpill on the Nebuchadnezzar, Cypher severely despised reality and apparently wished he had chosen the bluepill instead. He much preferred the Matrix in comparison to reality, claiming that it was and could be more real than life on the Nebuchadnezzar was. Above all, Cypher possessed no loyalties to anyone and was a self-serving man to the end; he displayed no qualms over betraying and killing people who were close to his friends.
Cypher possessed an immensely sadistic side to his personality and brought on by his need to be free of the Matrix transformed him into a homicidal maniac; after revealing his treacherous nature he proceeded to unplug and effectively murder Apoc and Switch. The one person he despised more than anyone however was his leader, Morpheus, whom he described as a "jackoff" and was effectively tired of his "bullshit" (his beliefs of the One), and as such took great joy in betraying him and wished he could have seen the Agents break him.
Cypher also possessed strong feelings of lust towards Trinity whom he thought he was in love with and disturbingly informed that he had dreams of her. This did not stop him however from betraying and attempting to murder her like the rest.
While Cypher hated him for catching the attention of Morpheus and Trinity, he did feel bad for Neo once the revelation of The Matrix made him snap and stress vomit and even sympathized him over their mutual question of why they didn't take the bluepill.
After the events of The Matrix, the Cypherites were founded from the beliefs of Cypher; made of redpills who, like Cypher, hate reality and wish to be reinserted into the power plant. They use a bluepill as their symbol.
Role in the film
Search for the One
Meeting with Smith
Raid at the rendezvous point
Betrayal of Neo
At the beginning of The Matrix, viewers can witness Cypher's plan taking hold to return himself to the power plant. Knowing that Trinity is enamoured with watching the bluepill known as Thomas Anderson, he allowed a call he received from Trinity to be traced by Agents.
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