Taz is adopted
- He does not act as human as the rest of his family.
The hotel staff are mainland Australians
- They have Australian accents, plus Constance is a koala and Thickley is a wallaby, two of the most well-known of mainland Australian animals.
- Bob and Mum are "Ten Pound Poms".
Francis's tribe are actually shipwreck survivors
- Possibly a luxury yacht.