What is the name of the charm doll created by Florence Pretz, that shares a name with a magazine that features Argentine comic superhero Hijitus?
Hijitus:  He made his debut in September 1955 in the comic strip "The Adventures of Pi-Pío", published in "Billiken" magazine. Billiken: The Billiken is a charm doll created by an American art teacher and illustrator, Florence Pretz of Kansas City, Missouri, who is said to have seen the mysterious figure in a dream.
Billiken