An Australian far right activist. Greason became involved in the far right from a young age, being influenced by the efforts of the League of Rights. He played a prominent role in the formation of the National Front of Australia.
Greason would go on to co found the notorious militant group National Action alongside Jim Saleam. Greason would go on to denounce the far right and write a book before his death called I Was A Teenage Fascist, documenting his experience within the far right.