Mack Sennett's bumbling police squad
The biggest contribution of Mack Sennett, the father of silent film ... an entry that 
reads, 'Keystone Kops: bumbling police characters in films... [DOC] [TLE] Quick-fire Laughs In `Naked Gun` Sequel - tribunedigital-sunsentinel [PAR] Jun 28, 1991 ... Quick-fire Laughs In `Naked Gun` Sequel ... hoary phrase that hasn`t been 
around since Mack Sennett to describe The Naked Gun 2 1/2.