If there's one person we have become used to seeing and hearing on our TVs and radios this week it's Mick Lynch. Mr Lynch, the general secretary of the national union of Rail, Maritime, and Transport Workers (RMT), has been doing the rounds in media appearances as the strike has been under way.
Understandably he has had some challenging questions thrown his way but the union leader at the helm of the biggest walkout in the industry for 30 years has become something of a social media sensation with his brutal takedowns of his interviewers. Clips have been circulating the internet of Mr Lynch "handing people their arses" with his quick-witted comebacks fast-tracking him to "national treasure status".
The 60-year-old spokesperson has bounced from network to network, remaining remarkably cool as he rebukes false claims and attempts to rattle him. Here are some of our favourite putdowns so far.