Beware the Akkorokamui (Japanese: Akkorokamuiに注意してください Akkorokamui ni chūi shite kudasai) is the fifteenth episode of the first season of Scooby-Doo: The Next Mystery.


While the gang are on vacation at Funka Bay, a gigantic octopus-like monster called the Akkorokamui attacks taking anyone (including Mishi) who are swimming in the bay.


The episode begins with 

Cast and CharactersEdit

Japanese CastEdit

  • Naomi Kusumi as Scooby-Doo
  • Toshiharu Sakurai as Shaggy Rogers
  • TBA as Moshu
  • TBA as Shimagura
  • TBA as Mishi
  • Naoki Tatsuta as Scrappy-Doo
  • TBA as Nigamora
  • TBA as Toshi
  • TBA as Eva
  • TBA as Ed
  • TBA as Ashiyama
  • TBA as Koma
  • TBA as Siba

English CastEdit

  • Frank Welker as Scooby-Doo, Akkorokamui
  • Matthew Lillard as Shaggy Rogers
  • Benjamin Diskin as Moshu
  • Gwendoline Yeo as Shimagura
  • Colleen O'Shaughnessey as Mishi, Siba
  • Scott Innes as Scrappy-Doo
  • Kari Wahlgren as Nigamora, Koma
  • Kyle Hebert as Toshi
  • Jim Cummings as Captain Yamoto
  • Cree Summer as Professor Dogimosei
  • Wendee Lee as Eva
  • Daran Norris as Ed
  • Janice Kawaye as Ashiyama


Song Credits Performed by


  • Akkorokamui/Professor Dogimosei (redeemed)


Suspect Motive/reason
Captain Yamoto Acting suspiciously and knows the legend of the Akkorokamui


Culprit Motive/reason
Professor Dogimosei as the Akkorokamui To protect the eagle rays' mating grounds.


  • Funka Bay
  • Otaru Aquarium


  • The Akkorokamui bears a resemblance to the gigantic octopus from King Kong Vs. Godzilla, Frankenstein Conquers the World, and War of the Gargantuas



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