When asked to make use of his supposed superpowers, Dudley would always complain that his "shazambago" was acting up and was interfering with his powers, though the Marvels always knew better.

He then sends two men to rob the office, not knowing they are actual criminals who kidnap Mary and try to hold her for ransom.

After forty years of appearing in the Marvel Family comics, Uncle Dudley was revamped in 1987 along with the rest of the Shazam!

graphic novel in 1994 and a resulting ongoing comic book series of the same name, rendering Thomas and Mandrake's version non-canon.

This revelation leads Dudley to be involved in a number of Marvel Family adventures, including one story (The Power of Shazam!

for the duration of the series as a recurring supporting character, often paired with Tawky Tawny, an anthropomorphic tiger and friend of Captain Marvel.