Aguilera initially appeared in the World Wrestling Federation with Christopher Daniels as Uno, one half of Los Conquistadores during the time Edge & Christian were masquerading as the team.
As part of a kayfabe storyline, Jesús was accused of stabbing John Cena at a Boston, Massachusetts nightclub by order of Carlito Caribbean Cool.
Aguilera faced John Cena in a Street Fight at Armageddon 2004 for the WWE United States Championship, but was defeated.
Due to an injury sustained at a house show in Johnson City, Tennessee, he went into the match with a torn groin and two herniated discs in his back, and left to have surgery immediately afterwards.
On October 22, 2005, Aguilera appeared at AWS, teaming with Al Katrazz to defeat Davey Richards and Tony Kozina.
In March 2007, Aguilera officially made a challenge for the NWA World Heavyweight Championship and appeared in the Reclaiming the Glory tournament, falling to longtime rival Adam Pearce in the first round.
The team main evented in the third episode of WSX, in a Tables, Ladders and Cervezas match ending their feud with Luke Hawx and Alkatrazz.
Los Pochos Guapos, on a losing streak, got their first win over the team of Teddy Hart and Matt Cross, known as the Filth and the Fury.
At the pilot tapings on June 29, Aguilera, who was under the nickname "The Human Cyclone", defeated Schwagg Dutt in a five-minute Iron Man match.
[5] On October 18, 2007, Aguilera debuted for All Japan Pro Wrestling under a mask as Zodiac, becoming a member of the heel stable Voodoo Murders.