Biggest Harold?

[The Boss]

Harold Lloyd (American Silent Film Actor)
Harold MacMillan (Former Prime Minister of UK)
Harold Pinter (Playwright, Screenwriter, Poet...)
Harold Chasen (Character from Harold and Maude)
Harold Bishop (Character in Neighbours)
Harold Wilson (Former Prime Minister of UK)
Harold Shipman (British GP and Serial Killer)
Harold Holt (Former Australian Prime Minister)
Dave Harold (Snooker Player)
Other

[MattCash]

Not sure why, but harold steptoe springs to mind

[vainparasite]

Not sure why, but harold steptoe springs to mind

1st Harold i thought of too m8.

[steedee]

shipman! the crazy f**ker

[superaussie]

harold bishop = aussie legend

[The Boss]

harold bishop = aussie legend

Named Harold because of his wobbly chin? That's the first name i would think of for such a bloke

[hegeland]

On a serious note, can only be Harold Pinter, arguably the most influential of all British postwar playwriters.