This article is about a/an monster in Ultraman Dyna.

Bao-on (バオーン - Baōn) is a monster that appeared in the TV series, Ultraman Dyna. He appeared in episode 9, "The Faraway Bao-on."

Subtitle: Hypnosis Monster (催眠怪獣 - Saimin kaijū)

Character History

Ultraman Dyna

to be added

Weapons and Abilities

  • Hypnotic Roar: Bao-on's roar, often signalized by a large exhaust of steam from its nostrils, causes the instant faltering and sleep to humans. The roar can also cause drowziness to aliens such as Ultraman Dyna.
  • Power Overbite: Bao-on's jaws contain a considerable amount of force, able to easily bite a metal gas mask to shreds.
  • Superhuman Strength: Bao-on is obscenely powerful, able to break through clamps and match Ultraman Dyna's strength in Strong-Type without any serious effort.

Behind the scenes


The suit actor for Bao-on is Toshio Miyake (三宅 敏夫 Miyake Toshio), who played the majority of Ultraman monsters from Ultraman Tiga to Ultraman Gaia.


  • Captain Hibiki of Super GUTS once referred to Bao-on as the strongest monster in history (史上最強の怪獣かもしれない - Shijō saikyō no kaijū kamo shirenai), as he reasoned that "being able to put anyone to sleep makes it so that Bao-on can never be harmed.
  • Bao-on is the first nonviolent monster to appear in the series, as well as the second alien to visit Earth that was not violent; the first being Alien Dais.



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