Eh, heh...I missed a lot of things the first couple of times I played the game. The BEST thing I've run across in my third time playing, though...
Okay, rather than spoil it: Y'know how you get the Confusion Bombs from Dingo in the Black Velvetopia level? You're supposed to use them against El Odio to stop him long enough for the BullDog downstairs to paint the billboard, amirite? Okay. XD Now, before you decide to chuck one 'o' those things that bull's way, just try smacking the dog with one first. His reaction is HILARIOUS.