Anuro, Nurog, Urogn, Rogna, Ognat, Gnath, Nathu, Athus, Theodore, Harry, Ulysses, and Simon are 12 Anurognathus. They are Dr. Cockroach's third creature, and his second Move Card Creature. They are all a different color.
Their card was found in Mexico by Lucia, who showed her father, who then sent it to the team. Ten episodes later, the card was given to Iguano. Five episodes later, they were summoned by Iguano to help battle a Future Shark, but lost when Iguano was defeated. Six episodes later, a second copy of the card was created and given to Eddie. Eleven episodes later, they were summoned to battle in a battle royale, but were defeated when Eddie lost. Two episodes later, they fought in another battle royale, but were defeated when Eddie lost. Six episodes later, they fought in another battle royale, but were defeated when Eddie lost.
All 12 form a tornado and hit the opponent.
They combine their attack with an Air-Raid Storm.
They are the second Move Card creature to appear.
They are the first creature to have their card copied.