Commander Card Passer is a minor character in the anime series Sonic X and its comic series published by Archie Comics. Once the head of C.L.I.P. (Convert Lateral International Program), an important company affiliate to the Guardian Units of Nations which was charged with supplying weapons and covering some incidents from the general public, Passer led an unauthorized attack on Doctor Eggman during his truce with the President, believing he was actually planning another attack. As a result, Sonic the Hedgehog helped Eggman escape while Passer was fired from his position and arrested, but he was soon freed by S.O.N.I.C.X. He then joined the organization to get revenge on Sonic for getting him fired and arrested.
As everyone prepares to send Sonic and his friends back home, Passer watches the President giving a speech on TV wishing them a safe journey and thanking them for their acts of courage and heroism. Passer turns off the TV in disgust and begins ranting about how the President is weak and Sonic and his Freedom Movement are turning everybody into "peace-niks". One of Passer's spies soon calls to inform him that Eggman is working along with the military and warns him that it might be an attack in progress. Paranoid and determined to defeat the doctor, Passer dispatches a whole army of G.U.N. robots to attack Eggman, and when he sees Sonic defending him, he calls him a traitor and attacks him as well. He charges his men with protecting the President from Sonic and his allies, but Rouge and Knuckles easily defeat them, as Passer is finally arrested by the police. As Passer is taken away, he tells the police to tell the President that he regrets nothing and that the country used to be strong, but now it is on the brink of disaster because of him and his support for Sonic.
Passer first appears in the comics as a S.O.N.I.C.X. member. Sometime after his arrest, the Organizer sent Hector Dragg to break him out of prison and he joined S.O.N.I.C.X. to get revenge on Sonic. After they successfully captured Sonic, they brought him to their base on the abandoned Prison Island, and they all told their tales about how he "ruined" them and were united by the Organizer. Sonic broke into laughter at the group's name, believing that it sounded like the name of a fan club. He swiftly broke out of the base with little effort, despite them sending their robots and Li Yan's gang after them. They then told the Organizer of how their first mission was a failure, but he assured them that next time will go much better for them.  For their next plan to destroy Sonic, Doctor Kai Narasu created five evil Sonic clones to frame him for committing crimes, but they wee all accidentally made with different colors. They still went through with their plan and sent the evil Sonic clones to wreak havoc. However, due to their different colors, they did not fool any of the citizens of Station Square. Because of this, Passer scolded Narasu for his mistake. After the Organizer showed them a news broadcast where Sonic challenged the clones to a duel, his overconfidence got the best of him as he decided to see the plan to the end. However, Sonic tricked Eggman into destroying the clones. Later, Narasu's final clone attacked Sonic. The hedgehog tricked Passer into seeing the clone's shadow among the smoke, making him think that it was the real one. This prompts Passer to order an attack on the figure with laser guns, accidentally destroying the clone for good.
Ever since the beginning, Passer was a severe warmonger among the G.U.N. personnel. He expresses disgust for the Freedom Movement and calls the President gutless for his peace-loving attitude. He is vicious and xenophobic, being suspicious and hateful of Sonic and his friends. On one instance, he stated that the President should have done something to get rid of them a long time ago. He also said that building a machine to get them home is a waste of money and that they should destroy them instead. He is completely ungrateful for the multiple times Sonic and his friends have saved the Earth, calling them "freeloaders". After Eggman started to attack Station Square, he was pushed to his limits. He became paranoid and obsessed with his job and protecting his country, certain that Eggman could never be trusted and that Sonic was equally despicable, which was exactly what made him lose his job and led to his arrest. When Sonic decided to help Eggman escape his attack, Passer blindly accused the hedgehog of being a traitor from the beginning and attacked him as well, not even hesitating to give his orders. Like most members of S.O.N.I.C.X., Passer believes that he is actually a good guy and that Sonic is a menace. Hate-filled and paranoid, Passer is probably the most evil member of the organization.