there are no nickname's for any national football team
The nickname of the Louisiana State football team is the Tigers. The nickname was first coined in 1896 after an undefeated football season.
There is not a football team in England with the nickname of the spirits. However, there is a team called the Spirites, given to the team in Chesterfield.
which football team is nicknamed the samba kings
They didn't, it's the clubs nickname, much like other clubs like Cardiff are called 'The Bluebirds' etc.