2004 Fructuoso "Fortu" Sánchez (Lead vocals) Juan Luis Serrano (Bass) (Background vocals) Francisco Laguna (Guitar) (Background vocals) Fernando Sánchez (Drummer) (Background vocals) From 2004 to 2010 Fructuoso "Fortu" Sánchez (Lead vocals) Peter Oteo – Nacho García – Pepe Bao (Bass) (Background vocals) Francisco Laguna (Guitar) (Background vocals) Fernando Sánchez – Carlos Mirat (Drummer) (Background vocals) From 2010 until present Fructuoso "Fortu" Sánchez (Lead vocals) Paco Laguna (Guitar) (Background vocals) Fernando Montesinos (Bass) (Background vocals) Carlos Mirat (Drummer) (Background vocals) References External links Official website (In Spanish) Obús biography (In Spanish) Interview in 'La Factoría del Ritmo' (2001) (In Spanish) Spanish heavy metal musical groups Musical groups established in 1981 Musical groups from Madrid