Irvin is an irritator and Alizeh's mount. He has red and blue skin with black markings and yellow eyes.
He is a happy-go-lucky, brave, freedom-loving, and very agile dinosaur, who loves going on adventures. A born troublemaker and mischievous , Irvin is adventurous and free-spirited like Alizeh, while at the same time a natural at utilizing human objects and enjoys them. He appears to have little manners, and even flirtatious around females. Regardless, Irvin is very protective of those he loves, as seen roaring at Harrier who threatens Aasira.
Irvin has immense strength and can easily bite a ship in half.
Trivia:
Irvin's name is probably a reference to his species, Irriator.