Astournat arnould is the Australian Astrounts and villain in Operation Astrounts.
Arnold is a Astrount that was lost in space 50 years ago. He landed in deserted earth as he thought it was a alien planet and the spiez were in human disguises as he disabled all communication and took out all of earth's Gravity and captured almost all the spiez! except marc. Marc made a contact device after sneaking away to contact jerry. Jerry sends a pack of gadgets he was defeated by the spiez and Jerry and WOOHP Agents to take him in custody and went to WOOHP Prison.
- Operation Astrounts