The team does not have a name (nickname) like many other countries
Irelands Call - which was originally the Irish Rugby Union Anthem. The Irish Rugby Team - like the Cricket and Hockey Teams - represent the Island of Ireland. The Soccer Team and Olympics etc represent the Republic of Ireland and so the anthem sung is Amhran na Bhfiann (The Soldiers Song)
The Romanian national rugby team is also known as The Oaks. The team's emblem is an Oak leaf.
Harlequins is the name of a rugby team
The team is known as the Azzurri (the Blues).
The New Zealand Rugby team is called The All Blacks.
Manu Samoa - rugby union and Toa Samoa - rugby league