John Fox has died from colon cancer. The comedian was 54.

Fox liked to joke that he looked like Nick Nolte’s headshot and told jokes that suggested he lived even bawdier — he was the kind of dirty club comic that inspired other comedians to write songs about him. Here is Pat Godwin singing, “The Legend of John Fox,” on The Bob & Tom Show.

So would there even be that scene in I Am Comic without a comic such as John Fox?

Fox made his living on the club circuit, and for a time he also appeared on television specials, too — perhaps most notably, Rodney Dangerfield’s Opening Night at Rodney’s Place, followed by Dangerfield’s 1991 special, The Really Big Show.

Here Fox was a few years ago, promoting his comedy DVDs on Amazon.

Fox’s best-known bit isn’t naughty at all, even if it does include words you cannot hear on primetime television. This is his bit on “Archibald Barisol.” Roll it.

His lasting legacy, hopefully, is helping other comedians.

Fox found out in the beginning of March that he had stage four colon cancer, and had two months or so to live.

To help other comedians avoid his fate, he set up the John Fox Memorial Fund, whose mission is “to provide funding for cancer screening for working comedians without insurance. A working comedian is one who makes at least $10,000/year doing stand up. We will provide funding for colonoscopies, pap smears, mammograms and other routine cancer screening tests.”

You can donate to the John Fox Memorial Fund here. Call (847) 287-1257 for more info.