Mortadelo y Filemón or Mortadelo and Filemón as it's called in English is a comic book from the mind of Francisco Ibañez. Known for it's slapstick style humor it has become on of the most popular comic series in Spain.
In 2003 a filmed was released based on the popular comic series. The movie was called La gran aventura de Mortadelo y Filemón or The Big Adventure of Mortadelo and Filemón directed by Javier Fesser. The movie starred Benito Pocino and Pepe Viyuela as the title characters.
Plot
"The adventure when a spy breaks into Professor Bacterio's lab and steals some of his inventions from T.I.A. HQ (Técnicos de Investigación Aeroterráquea). Mortadelo and Filemón who work for T.I.A. are put on the case but Fredy, another agent, decides to beat them to it. One of the inventions is a weather control machine which the spy decides to sell to the President of Tirania, a small Eastern European dictatorship. There are numerous clashes between the spy, Fredy, and Mortadelo and Filemón (who Fredy seems to want to kill). Our heroes end up in prison after accidentally beating up the local cop once too often. They escape, Filemon's mother gets kidnapped by Fredy and taken to Tirania. The spy is killed in Fredy's place as Fredy ingratiates himself with the President, while having Filemon's mother tortured. The heroes arrive and there is a big battle where Filemon is apparently killed. Then Mortadelo receives a mortal wound but is saved by the Holy Grail while Fredy gets his just deserts. They return home to a heroes welcome."

There is a sequel called Mort & Phil. Mission: Save Earth.
This movie looks like a lot of fun so be sure to check it out!