Alejandro Mayén (born on 29th March 1960) is a Mexican voice actor and dubbing director who provides voices in the Latin American Spanish dub of Thomas & Friends.
He is best known for being the second voice of Peter Griffin in "Family Guy" from the fourth season to the fourteenth, Carl Carlson and Comic Book Guy (from the sixteenth season) from "The Simpsons" during the fifth season to the twenty-seventh, Grandpa Hiram Wolfe in "Rocko's Modern Life", Drew Pickles from "Rugrats", Krumm from "Aaahh!!! Real Monsters!", Sergeant Perez in "The Busy World of Richard Scarry", Papa Hare in "Peppa Pig", Ned Gerblansky in one episode of "South Park", various voices such as Mr. Horse in "Ren and Stimpy", Oscar and Archibaldo in "Elmo saves Christmas" and Ozu in "Kappa Mikey". Live action dubbing roles include Esgaroth Governor in "The Hobbit" film series, Uncle Taki in the "My Big Fat Greek Wedding" film series, Lloyd the Bartender in "The Shining", Detective Doyle in "The Mask" and Grumpy Smurf in "The Smurfs" 2011 film trailer.
- He, Radovan Vaculík, Ringo Starr, George Carlin, Carlos Enrique Bonilla, Masashi Ebara Jorge Ornelas, Enzo Avolio, Víctor Delgado, Bohuslav Kalva, Daiki Nakamura, Aku Laitinen, Marjolein Algera, Jukka Voutilaninen, Shinobu Adachi, Pasi Ruohonen, Loretta Santini, Olga Hnidey, Don Nemitz, Bin Shimada, Reinder van der Naalt, Ángel Amorós, Gerardo Reyero, Luis Alfonso Padilla, Octavio Rojas, Louise Raeder, Humberto Vélez, Hadar Shachaf Ma'ayan, Chie Kōjiro, Samuel Harjanne, Keiko Toda, Pierce Brosnan and Alec Baldwin all worked on "The Simpsons".
- He, Óscar Gómez and Humberto Vélez have voiced Peter Griffin from "Family Guy". Adriana Casas, Luiz Carlos de Morais, Karina Altamirano, Ángel Amorós and Luis Alfonso Padilla have also worked on it.
- He, along with José Luis Orozco, voiced characters together in "Ren and Stimpy". Nir Ron, Krzysztof Szczerbiński and Cezary Kwieciński have also worked on it.
- He, Jan-David Rönfeldt, Dariusz Błażejewski, Achim Schülke, Don Spencer, Stan Limburg, Francisco Colmenero, Marek Robaczewski, Ron Druyan, Armando Réndiz, Jamie Thomason, Enzo Fortuny, Franz Josef Steffens, Víctor Ugarte, Andreas von der Meden, Holger Mahlich, Douglas Welbat, Christian Stark and Héctor Emmanuel Gómez have worked on "The Smurfs".
- He, Carlos Íñigo, Walter Wiegand, Roberto Carrillo, Duncan Lamont, Ernesto Lezama and Jorge Santos have all worked on "Rocko's Modern Life".
- He, Mercedes Espinosa, Einat Glixman, Anna Sztejner, Eberhard Haar, Mayra Arellano, Loretta Santini, José Luis Orozco, Julia Pistor, Achim Schülke, Petri Hanttu, Angela Quast, Katja Brügger, Liliana Barba, Beata Wyrąbkiewicz, Rocío Garcel, Mari Maurstad, Chie Kōjiro, Peter Weis and Greg Tiernan have all worked on "Rugrats".
- He, Waldemar Barwiński and Józef Pawłowski have all worked on "The Hobbit".
- He, Eduardo Garza, Albert Cohen, Marjolein Algera, Fabian Harloff, Robert Missler, Stefan Knothe, Nadine Schreier, Janusz Zadura, Denise Cassar, Mark Skillicorn, Petri Hanttu, Angela Quast, Dagmar Dreke, Dov Reiser, Louise Raeder, Fred Meijer, Ricardo Mendoza, Beata Wyrąbkiewicz, Gadi Levy, Manfred Steffen and Alec Baldwin have all worked on "Sesame Street".
- He, Carlos Íñigo, Walter Wiegand, Roberto Carrillo, Duncan Lamont, Ernesto Lezama and Jorge Santos haved all worked on "Rocko's Modern Life".
- He, Roberto Carrillo and Jim Cummings have all worked on "Aaahh!!! Real Monsters".
- He and Susan Roman have both worked on "The Busy World of Richard Scarry".
- He, Loretta Santini, Radovan Vaculík, Taisuke Yamamoto, Irwin Daayán, Liliana Barba, Carlos Íñigo and Eduardo Garza have all worked on "South Park".
- He, Krzysztof Szczerbiński, José Luis Orozco, Nir Ron, Cezary Kwieciński and Santiago Ziesmer have all worked on "Ren and Stimpy".
- He and Artur Pontek both worked on "Kappa Mikey".
- He and Humberto Solórzano have both worked on "The Shining".