The character design for Peter Parker (as well as other supporting characters including Aunt May and J. Jonah Jameson) was also quite faithful to the comic books of the period and hearkened back to the illustrations by John Romita Sr. of the young hero in Spider-Man's newspaper strip adventures from the 1970s. Due to network constraints and demands from parents, characters such as Spider-Man were not allowed to make a fist to strike an opponent, but the show's creators managed to conceal these issues with a focus on action and relatively fluid animation.