The comic features black humor and light drama.
He later turned them into a profession in the form of comic features in newspapers, books and advertising.
Color was added in 1923 when the comic feature moved to the regular Sunday comics section.
As the comic features only Christian and Muslim figures, these are generally directed at the two religions, though some apply to many forms of theism.
The collector's original intent was to establish a complete run, from beginning to end, of every comic feature to have appeared in an American newspaper.
First, no single newspaper could have run every comic feature.
Each comic features small, simple drawings, paired with short captions or dialogue.
"It was an ignominious finish for the hugely popular and widely loved comic feature."
The comic feature continued until his death in 1970.
Penley was considered to be an important addition in the small role, with his malleable comic features.