Police are hunting a man who labelled himself “The Silver Shadow” after he was spotted on top of a train travelling at up to 100mph.Officers say he put the lives of himself and others on the train at risk when he waved below to passengers as it passed through Bromborough Rake station in Wirral, Merseyside.The man was seen boarding the exterior of the train in between two carriages at Rock Ferry station at about 1.30pm and waited for the doors to close.Seven minutes later, he was spotted on CCTV on top of of the train at Bromborough Rake before he got off at the next stop. He then concealed his face as he briefly spoke to booking office staff at Bromborough station as he told them he had travelled from Birmingham and was called “The Silver Shadow”, said British Transport Police. Anyone with information is asked to contact British Transport Police on 0800 40 50 40 or text 61016, quoting 141 of 21/12. The man later told staff he had travelled from Birmingham and was called ‘The Silver Shadow’Credit:British Transport Police Police said the man boarded the exterior of the train in between two carriages at Rock Ferry station Speaking about the incident on December 11, investigating officer Pc Andrew Richardson said: “Even attempting to get on the top of a train is a nonsensical and idiotic thing to do.”The man concealed himself between two carriages above electrified rails and so one slip could have easily killed him and endangered the lives of those on the train.”This isn’t cool, it isn’t funny. It’s dangerous and we will not stand for it. If you recognise the man in these pictures, please get in touch.” Think train surfing is cool? We don’t.We’re looking for the self-styled “Silver Shadow”.Know him? Text 61016 👍https://t.co/I7p6JBEcTl pic.twitter.com/aMLGl45fSp— BTP (@BTP) December 21, 2016 Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.