What languages does Oscar Gutierrez speak?

Oscar Gutierrez is known as the professional wrestler "Rey Mysterio". While information on his personal language skills is limited, it's highly likely he is fluent in Spanish, given:

* His heritage: He is of Mexican descent.

* His career: He often uses Spanish phrases during his wrestling performances.

* His environment: He grew up in San Diego, California, where Spanish is a widely spoken language.

It's also possible he speaks English, given his career in American professional wrestling.

However, without further information, we can't confirm his specific language proficiency.