- This article is for the character Dr. Monster. For the manga chapter, see Dr. Monster (chapter)
The Birth of Arale
Main article: Volume 1: The Birth of Arale
He first appears in Dr. Monster where he is at the Bookstore wanting to buy a Monster Encyclopedia that he doesn't have enough money for and decides to kidnap Arale Norimaki to get ransom money. He lures Arale to his hideout, King Gidora Mansion, with a turtle on a string saying it is Gamera. After Arale stops moving, he calls a doctor. Awhile after Senbei Norimaki finds Arale and fuels her back up with Robovita-A, she writes to him, sending him a lizard saying it is a baby Godzilla and that one day she wants her Gamera to fight his Godzilla.
Dr. Monster appears on the chapter cover of "Arale Flies the Skies!".
He is seen in "Arale's Big Change", as one of the people surprised at Arale's sudden change of behavior.