A former 2-time ECW World Tag Team Champion, Little Guido Maritato has returned to ECW after four years on SmackDown. A member of the Full Blooded Italians, Guido won his two ECW Tag Team Championships with fellow FBI members Tracy Smothers and Tony Mamaluke. While the makeup of the FBI has changed several times over the years (in both ECW and WWE), Guido has been the one constant member of the group since joining in the mid-1990s. Maritato debute in the WWE on December 20,2002 as Jamie Noble's cousin, Nunzio. It didn't last long. By Feburary 6th, 2003 Maritato got mad about his lost to
… More Rikishi, Maritato warned this won't set well with his "people". It means the start of the next FBI. Maritato get help from, Chuck Palumbo & Johnny Stamboli. When the two show up after Maritato lost to Rikishi, they beat up Rikishi.
While he enjoyed success in WWE (winning the Cruiserweight Championship in 2005), Guido is now back in ECW looking to make the same mark he did during his first run. Guido and Tony Mamaluke kicked off their stay in ECW by defeating old rivals Tajiri & Super Crazy at One Night Stand, and now they will look to help each other reach the top once again.