Who rules in the kingdom?  

Futbol Club Barcelona, commonly referred to as Barcelona and colloquially known as Barça, is a Spanish professional football club based in Barcelona, Catalonia. 

Lionel Andrés Messi Cuccittini is an Argentine professional footballer who plays as a forward and captains both Spanish club Barcelona and the Argentina national team.  

Enrique Setién Solar is a Spanish former professional footballer who played as a central midfielder, and a manager. He is the head coach of La Liga club Barcelona.