To celebrate the milestone of 400 podcasts, the 4 till 7 Thang presents a podcast of heroes! Expect sailors, a Swedish couple, pensioners, eccentric inventions and a dog. Enjoy!

Hear Johnny on Radio X every weekday at 4pm across the UK on digital radio, 104.9 FM in London, 97.7 FM in Manchester, on your mobile or via www.radiox.co.uk