Obviously, Moebius' work is amazing, but his influence on Kayanan (who I'd never heard of before) is just as plain. I really enjoy that hyper-detailed drawing. Brian Bolland did it on Camelot 3000 when he realised his pencils were going to be inked over by someone he didn't specially know in the US, so he pencilled the fuck out of them. You really see this by issue 11. The cover with the alien queen is intense with detail.
While Brian Bolland did a lot of nice covers and back-up or single-issue stories, I guess this CAMELOT 3000 series was Bolland's first major breakout series work.
But I can think of a number of other covers Bolland has done that took my breath away.
Here's a cover Bolland did for ZATANNA'S SEARCH, a 2004 collection reprinting the earliest Zatanna stories, from circa 1964-1967 :