What I did (not do) to the Onion logo
As art director for The Onion, Inc. for over 6 years, I was afforded an endless ocean of things to build, adjust, nudge, assemble and create from scratch. Several oceans worth, actually. But one thing I always resisted changing (beyond a few subtle tweaks) was the Onion logo.
Now, please don't see this as some sort of selfless, designery-show-of-intergrity snowjob. I mean, it's partly that. But I also didn't want to be the person who walked in and screwed up a perfectly working, established and beloved thing just to put another notch on my portfolio bedpost.
It felt wiser to embrace its honest-to-goodness, pretty freakin' hardcore, ahem, brand equity™ and build on that instead. I think the end result feels more cohesive and doesn't abandon any of the logo's pre-existing finer qualities.
That said, here's what the Onion logo looked like when I arrived (mouseover to remove the lines):