Boris Johnson unveils big blue cock in Trafalgar Square

London mayor Boris Johnson today unveiled the big blue cock in Trafalgar Square, much to the amusement of many Londoners.

The cock installed on the Fourth Plinth is a part of a revolving series of artworks.

Designed by German artist Katharina Fritsch, the 14ft cock, in ultramarine blue, has got a flurry of tweets.

Veteran broadcaster Jon Snow, who was present at the launch, tweeted “Fertility and symbolism” with pictures of the cockerel.

Fertility & make symbolism! pic.twitter.com/KYjIRmBfch

— Jon Snow (@jonsnowC4) July 25, 2013

Just seen #BorisJohnsonshow everyone his big blue cock in Trafalgar Square @MayorofLondon pic.twitter.com/f0vFlvIp6h

— zen (@zenfuturekicks) July 25, 2013

Should call it Boris. Big blue cock. RT @_MarkBlunden: Boris unveils Fourth Plinth giant cockerel in Trafalgar Square pic.twitter.com/Q5LmYlj6el

— Apple_Whore (@Apple_Whore) July 25, 2013

@katehm bahaha “@Londonist: Massive blue cock erection in Traf Square from tomorrow (safe for work) http://t.co/cmAym5eti5#fourthplinth”

— NatLeavey (@NatLeavey) July 24, 2013

What do you think of the big blue cock? Please leave your comments below…