Balloon syndrome is caused by gas collecting underneath the skin, often as the result of a traumatic event or infection A hedgehog "blown up like a beach ball" has ... gas into the cavity under ...

A hedgehog which blew up to the size of a beach ball after developing "balloon syndrome ... "He's certainly one of the largest hedgehogs we've taken into our care, with a circumference of 30 ...

In the first trailer for Sonic the Hedgehog ... into the air where Knuckles is waiting, and you know that has to hurt. If that kick looks familiar to you, then you must be a fan of Dragon Ball.