Another Channel Chuckles gag depicts a mad scientist working in his laboratory while a nearby television intones the slogan of a current DuPont ad campaign: "Better Living Through Chemistry".
Another familiar slogan is lampooned in a panel showing a little boy watching a General Electric commercial while his father says, "And progress is our most important product.
Keane would sometimes subdivide the narrow space allotted to his Channel Chuckles feature in order to squeeze in two panels.
Some gags feature "Aunt Tenna", a matronly woman with her hair done in the form of a TV antenna, who spends all of her time watching television or engaged in TV-related activities.
The other recurring character in Channel Chuckles is "Dim Viewer", a grumpy old man who always has something negative to say about television programming, commercials or reception.