At the time, Mr Stewart said Thor was "not a menace and he's not dangerous" and they would appeal the decision.
In June, the council rejected the appeal stating the committee couldn't "discount the fact Thor was the instigator".
This week, Ms Wolterbeek said they had lodged an appeal with the Ombudsman as they did not believe they had been treated fairly, as Thor wasn't dangerous.
"[The council] haven't done things right," she told the Times-Age.
The Ombudsman's office has confirmed they received the couple's application earlier this month but was unsure how long it would take before a decision would be reached.