Hellomyname Keyes
From Halopedia, the Halo wiki
Hellomyname Keyes is an Easter Egg on the level Truth and Reconciliation in Halo: Combat Evolved, you will need to save your sniper rifle until you save Captain Keyes. Zoom in 10x and if you look closely at the name tag on Capt. Keyes, you will see above it, says HELLOMYNAME then below it KEYES.
Trivia
- It is speculated that Bungie didn't have room to put the "is" in during the production process.
