Before the war, Plastino inked some issues of Captain America.
Later Fritzi Sundays were drawn by various ghost artists, such as Bernard "Dib" Dibble and Al Plastino.
The strip premiered in 1939, and Sparling was the artist until 1943, when he was succeeded by Al Plastino.
In 1979, Bushmiller was diagnosed with Parkinson's disease, but he continued to produce the strip with the help of assistants Will Johnson and Al Plastino.
Because Tufts was a perfectionist who often worked 80-hour weeks, he had trouble meeting deadlines, even though he had help from numerous assistants and ghosts: Nick Cardy, Ruben Moreira, Al Plastino and Alex Toth.