[2] According to comics historians Jerry Bails and Hames Ware, Biro did not do much, if any, interior artwork after 1942, focusing solely on covers.

Biro would stay with the title for the rest of his time working for Gleason, and make the character one of the most acclaimed of the Golden Age.

described the pre-Biro Daredevil as "Gleason's top seller and a fine superhero concept in its own right... created by Don Rico and Jack Binder", swiftly taken over by Biro, who then performed a "miraculous job" with the title, through which his "real talent became known.

[5] In issue #13 (October 1942) Biro introduced the "Little Wise Guys," echoing such junior characters as the Jack Kirby-created Newsboy Legion for DC Comics.

"[5] By the late 1940s, with superheroes going out of fashion, the Little Wise Guys took center stage, and "Daredevil unmasked and became a mentor to the kids, who eventually pushed the title character out of his own comic book.

[7] In October 1955, he wrote and illustrated the first of around 13[8] issues of a weekly humor book entitled Poppo of the Popcorn Theatre for Fuller, which was "virtually ignored.

[3] The landmark title was the result of bar talk between Biro and Wood (both alumni of the Harry "A" Chesler Shop[10]), who worked together regularly.

[9] It began when Bob Wood and Charles Biro were swapping yarns in a bar and decided that gangsters and criminals would provide a neverending flow of new stories for a comic book.

Joe Brancatelli (1999): If Jack Kirby was the most important artistic force in comics during the 1940s, Biro certainly proved to be the finest editor and writer.