Favorite Video Game Easter Egg?

We all know how alot of games have easter eggs within them. But my question is what are some of your favorite easter eggs in video games?

Mine would be.....
Batman: Arkham City - Secret Messages Easter Egg

Alice Madness Returns - Psychonaut's Raz Easter Egg

Saints Row 2 Giant Bunny Easter Egg

Assassin's Creed - It's a-me, Mario!


Dead Rising - Jill's Sandwiches

That giant heart in GTA was pretty freaky so props to that