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An unnamed prehistoric ancestor of the Norimaki family who strongly resembles Senbei Norimaki.


Has the same appearance as Senbei with black bushy hair and a mustache. He carries a around a club and wears a Leopard skin tunic in the manga and a brown one in the anime.


The Birth of Arale[]

Main article: Volume 1: The Birth of Arale

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Prehistoric Norimaki Ancestor in the manga

He appears in The Mysterious Egg where he walks by Senbei, Arale Norimaki, and Peasuke Soramame during their trip to the prehistoric ages after Senbei made fun of Peasuke's ancestor which Peasuke laughs because Senbei's is funnier.


  • He is never shown speaking and he is only shown from the side.
  • On the cover of the chapter Dr. Monster, Senbei is seen dressed like a caveman looking exactly like the prehistoric ancestor and shouting at Arale Norimaki.
Norimaki Family
Members Arale NorimakiArale and Obotchaman's childGatchanJubei NorimakiMidori's MotherMidori NorimakiNitro NorimakiPrehistoric Norimaki AncestorRyotaSenbei NorimakiSenbei Taromonosuke NorimakiSenbei's FatherTurbo NorimakiSenbei and Midori's third child
Related articles Norimaki ResidenceMr. TimeReality MachineAlarm ClockFairy Tale MachineBarbermanThe Announcer