In the porn world, it was said that Hustler was a slick rip-off of what Screw was doing with its mixture of pornography with satire. Fighting fire with fire, Screw for a while published a national, slick color version of what was essentially a local newspaper. These selections are from 1975 or 1976. I previously published some highlights here and here.
Every issue had a variation of this gag cartoon with a different caption.
They used Wally Wood and many of his assistants. This was by Paul Kirchner.
Screw publisher Al Goldstein was good friends with Mad's William Gaines, often appearing in each others' magazines.
I have no idea who did this spoof of Mary Hartman, Mary Hartman but it looks like the work of Tom Hachtman (apologies if I'm wrong).
A. L. Sirois' parody of Vaughn Bode's Deadbone Erotica.
Another strip probably by Paul Kirchner.