List of Marathon References in Halo

Summary
This is a list of all the references to Marathon that Bungie put in the Halo games. Mostly sightings of the Marathon logo, seen in the image right.

Halo: Combat Evolved

 * Captain Keyes - He has the Marathon logo on his uniform.
 * Captain Keyes - His pipe has the Marathon logo on it.
 * Control Room - The Control Room main chamber, when viewed from the top, is shaped like the logo.
 * Cortana - The Marathon AI Durandal, is named after a mythical sword. Cortana is a sword which bears the inscription: My name is Cortana, of the same steel and temper as Joyeuse and Durendal.
 * Dialogue - Sometimes Grunts or Marines will shout "They're everywhere!", similar to the BOBs of Marathon.
 * Difficulty selection screen - The Marathon logo appears on the Easy shield.
 * Foehammer - A level in Marathon: Infinity is called "Foe Hammer".
 * Game logo - In between the A and the L in the Halo logo is the Marathon logo.
 * Level title - Marathon has a level "If I Had a Rocket Launcher, I'd Make Somebody Pay", Halo has a part "If I Had a Super Weapon..."
 * Light markers - The Covenant light markers in Two Betrayals bear a resemblance to Pfhor staffs.
 * MJOLNIR - There are Mjolnir Mark IV cyborgs in Marathon, there is Mjolnir Mark V battle armor in Halo. Also, a terminal in Marathon 1 says "...#101111011110111100001# is is a '7'.  Mjolnir Recon number 54...".
 * Monitor - The eye of the Monitor is the shape of the logo.
 * Pillar of Autumn - The Marathon logo can be seen on the side of the ship.
 * Rampancy - If the player kills Captain Keyes in the first level, Cortana says, "The Master Chief has gone rampant."
 * Silent Cartographer (Level) - The center of the island is shaped like the Marathon logo.
 * Halo PC Loading Screen - If you brighten the gamma on Halo PC a lot, you can see what looks like the Marathon symbol etched in the background of the first loading screen.
 * The MA5B Assault rifle is similar to the MA-75B assault rifle in term of ammo and name
 * On the back of halo, on the start screen there is what looks like the Marathon logo
 * The flamethrower in Halo PC has a similar name to the flamethrower found in Marathon : 7057 = TOZT

Halo 2

 * UESC - Lord Hood says, "United Earth Space Corps," Marathon features the Unified Earth Space Council.


 * The marathon symbol is also used in the Halo 2 Multiplayer online as a gamer tag symbol.


 * Doors - The doors on the level "Regret" in Halo 2


 * If you get outside the level Burial Mounds, look at the rubble by the "ribs" a large piece of debris is engraved with it

Misc.

 * Cortana Letters - These messages are riddled with references.
 * Drinol - Similarity with Drinniol, a Marathon foe.
 * Hunter - Similarity with Marathon foe of the same name.
 * Marathon-class - A class of ship mentioned in Halo: The Fall of Reach.
 * Multiplayer - The multiplayer game "Oddball" is derived from Marathon's "Kill The Man With The Ball", which had the same objective.