Ohayou Gozaimasu!
Today is a simple grammar lesson!
"-san" is a title of respect added to a name. It may be used on male or female names, given names or surnames, and occupations and titles.
Example:
Mr. Neto - Neto-san
Samantha - Samantha-san
Teacher - Teacher-san
Student - Student-san
"-kun" is a title used to address men who are younger or the same age as the speaker. A male might address female inferiors by "-kun," usually in schools or companies. It is less polite than "-san."
"-chan" is a title attached to children's names when calling them by their given name, or it may be attached to kinship terms in a childish language.
Example:
Marco [little brother] - Marco-chan
Grampa - Grampa-chan -> ojii-chan
Arigato Reader-San!
Simona-san & Samantha-san