It seems that the first US patent for an internal-combustion powered ‘Pogo’ stick was issued to inventor R.J. Mays back in 1950. The jumping machine was intended to run on gasoline ...

He invented the Mandy, named after an ex-girlfriend, while riding a Vurtego. It’s one of extreme pogo’s most iconic acrobatic acts: Bounce high into the air and whip the stick above your head.