McCartney, Harrison, and Best were under 21 and therefore needed the consent of their parents to enter into a contract. Best and his mother—Mona Best, owner of the Casbah Coffee Club—were impressed with Epstein's professional image as were the other Beatles, because he was a businessman, wore expensive suits, and owned a large car. Best's mother said that Epstein "could be good for them Beatles". McCartney's father was skeptical about a Jewish manager and warned his son to be careful about finances. Lennon's aunt and guardian, Mimi Smith, was against the idea, believing that Epstein would lose interest when something attracted his attention, but Lennon, who had just turned 21, ignored his aunt's advice.