They are frivolous, arrogant and gossiping girls. It has been seen in more than one occasion that they disparage the individuality of María; envying her "natural beauty", opining that it is rare that she is interested in books and watching her with contempt when she demonstrates her skills in fencing.
Most of the time they act mostly as the typical fan club, sighing for Joaquin and dreaming of marrying him. They lack individuality and act almost like a collective mind; talking and exclaiming at the same time.
The four sisters have similar dresses of different colors (turquoise green, pink, yellow and violet) and have a yellow flower in the hair. Claudia is distinguished from her sisters by having black hair instead of brown. All of them have green eyes and a facial mole; each in a different place from the face.
During General Posada's party, their dresses have changed slightly, being adorned by elegant embroidery. Unlike María, they were designed to look like they were obsessed with expensive clothing.