Before Joe Wicks turned himself into the nation's PE teacher, one man was already leading the charge against childhood obesity from his living room.
Jump Start Jonny has long been a favourite of almost every primary school child in the land with his high-energy routines and child-friendly banter.
With zany catchphrases like 'Whoopa" - he has been doing online workouts for children for more than six years. On Monday, as the nation tuned in to keep fit with Joe - The Body Coach - Wicks - millions of children, loyal to lesser-known Jump Start Jonny were also enjoying his first live workout on YouTube.
Jump Start Jonny - or Jonny Stewart as he's known - began exercising as a way to keep his tourettes under control after being diagnosed with