Mandelson: "There's no airbrushing Gordon Brown like David Cameron did"
Lord Mandelson has likened Conservative leader David Cameron to DJ Terry Wogan or singer Des O'Connor.
The Business Secretary described Gordon Brown as a "more authentic figure", although he admitted that some people "don't connect with him".
Joking about posters showing a seemingly touched-up Tory leader, Lord Mandelson said: "There's no airbrushing Gordon Brown like David Cameron did."
He added: "It's sometimes difficult to hairbrush Gordon Brown."
Discussing the prime minister, Lord Mandelson told BBC One's Politics Show: "Look, you know he's not a sort of TV personality. He's not sort of Terry Wogan or Des O'Connor in the way that some people see David Cameron.
"Gordon Brown is actually a rather more authentic figure than that and I think when people evaluate the relative merits of both leaders, they may well come to a different conclusion from the one people are assuming now."
Des O'Connor, in showbusiness for more than half a century, has recorded 36 albums and sold more than 16 million records, being awarded a CBE in 2008.
He is also well known for his appearance on the Morecambe and Wise Christmas show in the 1970s, in which his music was repeatedly mocked.
Mr Wogan, who stood down recently from presenting the BBC 2 breakfast show, also presents the BBC's Children in Need.