What was Mr. Lucky's real name? it was never given within the show. Despite that, almost everyone seems to know him by that name and don't find it unusual to call him "Lucky."
What was Andamo's full name? It is never revealed in the show. The character that Ross Martin played in an episode of Peter Gunn had the first name of Sal. Some sources list it as Nick, but everyone in the show refers to him simply as "Andamo" and the credits say "Andamo" as well.