To echo others above:
Denny Crane and Alan Shore (Boston Legal.)
Gregory House and James Wilson (House, M.D.)
Joey Tribbiani and Chandler Bing (Friends.)
Miles O'Brien and Julian Bashir (ST: Deep Space Nine.)
A more subtle "Bromance" that was mostly filled with intense glares and gruff voices:
Jack Bauer and Tony Almeda (24.)
Denny Crane and Alan Shore (Boston Legal.)
Gregory House and James Wilson (House, M.D.)
Joey Tribbiani and Chandler Bing (Friends.)
Miles O'Brien and Julian Bashir (ST: Deep Space Nine.)
A more subtle "Bromance" that was mostly filled with intense glares and gruff voices:
Jack Bauer and Tony Almeda (24.)