MDK2 Easter Egg - I Spy...

Upon reaching the bunker area (A similar one is in level 2.), kill all the enemies so you're safe (Unless you're a daring person.). Go into sniper mode an look around for stars that are "different" from the others. Zoom in on them and you will see pictures of developers of the game! I saw "The Lazy-Assed Destroyer" and a few more.