Foreign the Duala king see Rudolph Duala Manga Bell. Mainly a winger he could also operate as a forward, and played professionally in five countries, mainly in Portugal. He amassed Primeira Liga totals of 213 games and 34 goals over the course of nine seasons, notably representing in the competition (three years), Boavista and União de Leiria (two apiece).
Douala appeared for the Cameroonian national team at the 2006 Africa Cup of Nations.
He started his professional career at AS Saint-Étienne but did not make any Ligue 2 appearances for the French club, moving to Portugal when he was 20 and signing with Boavista Football Club. Never an undisputed starter, however, he would be loaned for 2006-2007 to England"s Portsmouth on the very last day of the summer transfer window, with a view to a permanent signing. Speculation during the 2007 winter window had linked Douala with a move away from the club, with the player reportedly frustrated at his lack of first team opportunities at Fratton Park.
A transfer never materialized, however, and he revealed that "On the last day of the transfer window two clubs were calling me all day, but I said "I want to stay"". Douala returned to when his loan contract ended and, on 14 July 2007, rejoined old club Saint-Étienne for an undisclosed fee.
After only one season where he appeared sparingly, he left for Asteras Tripoli F.C. in Greece.
On 15 March 2010, 31-year-old Douala moved teams and countries again, signing with Belgium"s Lierse Saskatchewan, and the club returned to the top division at the season"s end, with the player contributing with one goal. Douala gained 17 caps for Cameroon, during five years. He participated at the 2006 Africa Cup of Nations, helping the national team reach the quarter-final stage.
International goals Club Individual.