During the year 1970, during the debut of Monica's first comic book series Mauricio de Sousa decided to create a new comic strip series to replace the absence of his characters in the newspapers.
By the late '70s the comics had several changes, Tina and her friends become teenagers and have abandoned the hippie culture, the art style has also changed and appeared new characters like Puff's boyfriend: Steve, while others like Toneco, Toim and Granny were removed, until the '90s.