Final answer:
The protagonist of this movie is Patton, a leading US general during World War II known for his aggressive leadership style and rescue of US troops.
Step-by-step explanation:
The protagonist of this movie who announces himself as the "commander of the Armies of the North, general of the Felix Legions" is Patton.
General George S. Patton was a prominent US general during World War II, known for his aggressive leadership style and his role in the Allied campaigns in North Africa and Sicily.
He is most remembered for his outspoken nature and his rescue of US troops during the Battle of the Bulge.