The Rat Pack was a nickname given to a group of
1950s entertainers, which included
Frank Sinatra,
Dean Martin,
Sammy Davis, Jr.,
Joey Bishop[?], and
Peter Lawford[?]. The Rat Pack often performed in
Las Vegas and were part of the reason that Las Vegas became such a popular entertainment destination.
The Rat Pack made several movies together which include: Ocean's Eleven and Robin and the Seven Hoods[?].