Wally Wood was a long time illustrator. He was one of the few artists who did underground stuff and main stream comics.

https://comics.ha.com/itm/original-comic-art/paintings/wally-wood-print-dirty-disney-love-scene-den-1966-the-late-great-wally-wood-puts-his-own-unique-spin-on-the-enchan/a/807-9869.s

[nsfw]

My favorite story about him goes like this. He created Power Girl as an alternate world Supergirl. After the first issue he started drawing her boobs bigger and bigger. He said he’d stop when someone noticed and/or complained.