[4] In the September 2004 issue of Big League magazine, after making his début with the Roosters, Tupou claimed that growing up his favourite player to watch was Queensland legend Mal Meninga.

[5] At the end of that season he played for the Roosters from the interchange bench in their 2004 NRL grand final loss to cross-Sydney rivals, the Bulldogs.

[9] He was named in the Australia squad for the 2008 Rugby League World Cup, replacing Michael Crocker who withdrew through injury.

[10] Although also named in the Tonga training squad for the 2008 Rugby League World Cup, Tupou played for Australia.

On 22 August 2014, Tupou became one of the current Sharks players to accept reduced bans from the Australian Sports Anti-Doping Authority for his role in the club's 2011 supplements scandal.