Complex sentence: An air bazooka or airzooka, which has been decsribed in japanese animations for over 60 years, was finally invented by Brian Walker, is a tube with a flexible plastic cover on one end, named for its appearance after the bazooka.
Split into simpler sentences: An air bazooka or airzooka, which has been described in Japanese animations for over 60 years, was finally invented by Brian Walker. It is a tube with a flexible plastic cover on one end, named for its appearance after the bazooka.