Requested by bilaterus. (The canon name for the group who does the DEI jingle is the Slacks, hence the title.)


Doofenshmirtz opening the do-or!

Doofenshmirtz turning aro-ound!

Doofenshmirtz looking ve-ry ma- oh, uh, we better... stop...

"Dad? Who are they?" Vanessa asked, annoyed but intrigued.

Heinz sighed. "Yeah, who are you? And why do you keep following me around, singing everything I do? Don't you have jobs?"

One spoke. "We are the Slacks; that is what we do; and no, not since we were fired by that half-rabbit boy."

"Well, your services are unwanted here. I need to find someone to do my evil jingles."

Vanessa handed them the new Doofenshmirtz Evil, Incorporated business card.