Marvel's Not Brand Echh was a satirical magazine poking fun at the "Distinguished Competition", published in the 1960s. Since I wasn't around then, some of the jokes and references require a quick Google (for example AuH2O referring to Senator Barry Goldwater.)
In this panel there are many characters, some Marvel related mixed with (what I assume are) public figures and celebrities of the time. While I recognise some of them, it would be helpful if someone could identify the other ones