By Ottilie Von Henning

The Australian Firefighters calendar is back for a 33rd year - and they're hotter than ever.

Firemen from across the country gathered to pose with adorable pets and farm animals to raise money for charity.

The usual five fan favorite editions - Hero, Cats, Dogs, Horse and Mixed Animal - were released on September 4.

Each of the calendars showcases Australia's bravest and hunkiest paired with lovable kittens, dogs - and even a koala or llama.

For the first time, the organization has added extra US recipients to its donation list, including Pasadena Humane , to support California after devastating wildfires in January.

David Rogers, the director of the calendar company, said: "The firefighters from the calendar visit Pasadena every year to take part in CatC

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