Commuters were given cause for morning cheer thanks to a railway worker's nod to the 'Boaty McBoatface' saga.
A South West Trains service from Portsmouth to Waterloo was given the humourous name 'Trainy McTrainface'.
Matthew Fifield, a 17-year-old kitchen porter, said the name change improved his mood when he boarded the train at Haslemere, just before 8.40am on Tuesday.
He told the Standard: "My trains were all delayed today so it brightened my morning to see it."
Other commuters took to Twitter to salute the cheeky worker.
A South West Trains spokeswoman confirmed the "one-off" name change was genuine.
She said: "It is a one-off by one of our creative guards who wanted to bring a smile to the face of our customers."
Other eyebrow-raising names
It comes after a public poll to name a polar research ship due to venture to Antarctica saw more than 16,000 votes for Boaty McBoatface.
The Natural Environment Research Council (NERC) invited the public to submit ideas for the name the £200 million vessel should bear on its hull.
The instigator, former BBC presenter James Hand, has since apologised to the NERC after his suggestion sparked the mass vote.
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