In Álex Pina's Money Heist, The Professor (Álvaro Morte) represents pure Enlightenment rationality: mathematical foresight, game-theoretic contingency planning, and an obsession with bloodless resistance. Yet the Professor's flawless theoretical models would have disintegrated on contact with reality were it not for the series' two most volatile field commanders: Andrés de Fonollosa, alias Berlin (Pedro Alonso), and Martín Berrote, alias Palermo (Rodrigo de la Serna).
Where the Professor views the heists as surgical socio-political statements, Berlin and Palermo approach them as theatrical grand opera. Berlin's psychological dominance over the Royal Mint hostages and his own volatile crew members is rooted in an existential fatalism. Diagnosed with Helmer's myopathy, a degenerative terminal illness giving him mere months to live, Berlin is liberated from normal human self-preservation. This nihilism grants him an unnerving calm; whether executing an insubordinate hostage or calmly serenading the squad with Italian folk songs, his politeness is sharper than a scalpel.
Palermo, introduced in Part 3 to spearhead the Bank of Spain siege, represents the raw, wounded inverse of Berlin's suave sociopathy. A brilliant civil engineer who co-authored the underwater vault plan with Berlin years prior in a Tuscan monastery, Palermo is driven by profound grief and unspoken romantic longing. His autocratic command style—relying on humiliating insults and psychological intimidation—is a defensive armor masking his guilt over Berlin's death and his envy of the Professor's leadership.
The crucial thematic friction of Money Heist lies in the ideological clash between the Professor's humanist restraint and the Machiavellian doctrine championed by his commanders. Both Berlin and Palermo understand a dark truth that the Professor persistently resists: an armed siege inside a sovereign institution cannot survive solely on rational goodwill. It requires an absolute, terrifying monopoly on violence and psychological dread to prevent hostages and authorities from calling the gang's bluff.
Yet both characters ultimately redeem their monstrous impulses through transcendent acts of sacrifice. Berlin's suicidal machine-gun stand at the escape tunnel allows his comrades to flee with the printed currency, transforming him from a loathed sociopath into a legendary martyr. In the Bank of Spain, Palermo's unyielding devotion to the plan ensures the gold is extracted, proving that beneath their chaotic, theatrical cruelty lay an unwavering code of brotherhood that anchored the entire global phenomenon.