Real name: Joel Fido Martínez

Fido's real name is Joel Fido Martínez (born. August 13, 1981).

He is the co-owner of the label Wild Dogz, which he co-created in 2006.

According to Alexis & Fido, in an interview, the song "El Palo" put them on the map and made them known.

In 2008, the duo participated in a campaign to promote voting in the 2008 general elections in Puerto Rico. This initiative included a concert titled "Vota O Quédate Callao" (in English), "Vote Or Be Quiet".

In 2009 they released their album "Down to Earth".