Derived from an episode of
Pokemon "The Pi-kahuna" Commonly known as "Tengen Toppa Humunga Dunga"
Humunga Dunga is a wave that comes once every 20 years and has only been successfully surfed by Jan The Surfer, and
Victor The Surfer with his Pikachu, Puuka.
Humunga Dunga became famous because of a video stream of
Pokemon episodes from Thevidyaspy AKA Tuxedo Mask.