What gang is rival to Islander 23 and was formed in 2012?
Islander 23: Islander 23 also known as I-23 is a Pacific Islander street gang in West Melbourne, Victoria, Australia. Islander 23:  Islander 23 came to prominence in the national media after a large scale brawl in Melbourne's Central Business District between it and the rival gang Apex in March 2016 after the Moomba parade. Apex (gang):  It was formed in 2012.
Apex