Who is “Matilda” in the Banjo Patterson song Waltzing Matilda?

Cartoon Kangaroo

Explanation:

Matilda was a cartoon kangaroo, who appeared as a 13-metre (43 ft) high mechanical kangaroo at the opening ceremony, accompanied by Rolf Harris singing "Waltzing Matilda". The Australian women's national soccer team is nicknamed the Matildas after this song.

answer; i believe the correct answer is prefrontal cortex;