

(There's that "Daily Bugle" headline again.)
Vince Colletta is one of the most reviled figures in comic art history. He was an inker who worked in the industry who many people feel often ruined the work of the men who's pencil art he was entrusted to ink.
A Colletta sample is included on the left at the top of this entry. Its' easy to see that every character looks lumpy, some of the lines are so scratchy they didn't reproduce on the page and almost all of the style of the penciller, Jack Kirby, is covered up or just plain destroyed.
Kirby was notorious for drawing complete pencils that didn't need much work by the inker to look good. Here, variations in line width look to be completely ignored, making it hard to determine what the viewer is supposed to focus on. A heavier line for the closer figures would add to the drawing's sense of depth. Further, the black areas don't do much to draw the reader's eye around the panel, nor do they help frame the most important part of the drawing.
I imagine this is not how Kirby's pencil art looked, and is not how he intended the finished product to look.
Most fans prefer Joe Sinnott's work on Kirby. Note the stronger and cleaner linework and much better sense of depth.
Why all this comment?
Here's a link to a new column by Erik Larson that sort of defends Colletta.
Here's another link to a column by Mark Evanier taking completely the opposite approach, saying "... almost all the top illustrators whose work was inked by Colletta are on record as saying they thought he was terrible."
Evanier also links to a Colletta defender, comics artist Eddie Campbell.
I tend to agree with Evanier, though. I have a whole bunch of Lee-Kirby issues of "Thor," that should be wonderful treats, but I can't read them. I can't get past Colletta's ruining of Kirby's pencil art. There's a good example of Colletta eliminating detail work from Kirby's art in Evanier's column.
Colletta erased parts of the original drawings, often had a horrible sense of line work, and generally made every artist's faces look like Colletta faces. It is true that every once in a while, something he inked would look really good. But, most of the time, it didn't.