Is Umberto Lenzi better known for his work in horror films than Pupi Avati?
Pupi Avati:  He is known to horror film fans for his two masterpieces of the macabre, "The House with Laughing Windows" (1976) and "Zeder" (1983). Umberto Lenzi: Umberto Lenzi (born 6 August 1931) is an Italian film director who was very active in Italian international co-production peplums, Eurospy films, spaghetti westerns, Macaroni Combat movies, Poliziotteschi films, cannibal films and giallo murder mysteries (in addition to writing many of the screenplays himself).
i don't know