Irritator's name comes from the irritation scientists felt when they realized that the original skull had been doctored with plaster to be elongated for a higher commercial value. Some reconstructions show Irritator with a crest on its nose instead of its head.

General StatisticsEdit


full-sized Irritator

  • Name: Irritator challengeri
  • Name Meaning: Challenger's Irritator
  • Diet: Carnivore/Piscivore
  • Length: 7.5-8 meters (24.5-26 feet)
  • Time Period: Early/Middle Cretaceous
  • Classification: Megalosauroidea --> Spinosauridae --> Spinosaurinae
  • Found: Brazil, South America
  • Discoverer: Martill, Cruikshank, Frey, Small & Clarke, 1996

Dinosaur King StatisticsEdit

Irritator card

Irritator arcade card (Japanese Gekizan 2nd Edition)

  • Attribute: Water
  • Power: 1000
  • Technique: 1000
  • Sign: Rock
    • TCG: Scissors
  • Owner: Seth (Alpha Gang, DS Game), Zander (Alpha Gang, manga), Rex Owen (D-Team, manga)
  • Name: Benjamin (manga)
  • Other: In the DS Game, Dr. Z turned an Irritator into Alpha Irritator and gave it to Seth to fight the player.

TCG LoresEdit

Team Up: +300
You can play this card as a Move that gives +300 Power.
Bonus (Pouncing Irritator)
When this Dinosaur wins a battle, draw 1 card.
Water Ally (Rapid Irritator)
If you have another Water Dinosaur in play when you Dino Slash this Dinosaur from your hand, you can discard 1 card and then draw 1 card.


In the manga, he was used to help Zander by using Life Sap.

Later, Ed gives Rex an Irritator to fight Max. But, Rex only joined to save Max, so he and Max took the Irritator and escaped. Later, the Irritator started to talk and was later known as Benjamin.


  • It is the only spinosaurid from Dinosaur King not to appear in the anime.
  • It was the first spinosaurid to appear in the arcade.


p · e · t Water Dinosaurs
Normal: Agustinia · Amargasaurus · Ampelosaurus · Baryonyx · Camarasaurus · Cetiosaurus · Dicraeosaurus · Futabasaurus · Gondwanatitan · Irritator · Isisaurus · Jobaria · Nemegtosaurus · Opisthocoelicaudia · Patagosaurus · Saltasaurus · Seismosaurus · Shunosaurus · Spinosaurus · Suchomimus · Titanosaurus
Move Card: Futabasaurus · Ophthalmosaurus
Altered/Armored: Amargasaurus/Alpha · Baryonyx/Armor · Baryonyx/Super · Brontosaurus/Armor · Camarasaurus/Super · Dicraeosaurus/Super · Irritator/Alpha · Isisaurus/Armor · Jobaria/Armor · Nemegtosaurus/Alpha · Opisthocoelicaudia/Super · Shunosaurus/Armor · Spinosaurus/Armor · Spinosaurus/Black · Spinosaurus/Super · Spiny/Armor · Spiny/Super · Suchomimus/Alpha · Titanosaurus/Super
Main: Spiny · Genie