This is the 7328th most frequent Spanish word.
gunn
The word "gunn" does not exist in standard Spanish.
In this context, 'Gunn' is used as a proper noun, specifically a last name.
El apellido de mi compañero de trabajo es Gunn.
My coworker's last name is Gunn.
Here, 'Gunn' refers to the name of a character in a series.
En la serie, el personaje Gunn tiene un papel fundamental.
In the series, the character Gunn plays a fundamental role.
This usage of 'Gunn' is as a brand name.