Magda Giner is a Spanish-Mexican voice actress who has built an extensive career in Latin American Spanish dubbing, with a particular focus on anime and animation. She was born on June 1, 1947, in Barcelona, Spain, though some sources also cite Madrid as her birthplace. She moved to Mexico at the age of five and later obtained Mexican nationality. Her career in the performing arts began in film, theatre, and television during the 1960s before she temporarily left acting to work as a flight attendant for approximately twenty years. Giner returned to dubbing work in 1989 and has maintained an active presence in the industry for over three decades.

Within the anime genre, Giner has voiced a significant number of characters across numerous series. She is known for the role of Abuela Cologne in the Ranma ½ franchise, including the film Ranma ½: Nihao My Concubine. Her other notable anime roles include Zim in Invader Zim, Zoycite and Queen Beryl in Sailor Moon, Turboruca in Dandadan, and Charlotte Linlin, also known as Big Mom, in One Piece. She has also performed in Dragon Ball as Mrs. Brief and Uranai Baba, in Pokémon as Bertha and Professor Magnolia, and in series such as Inuyasha, Naruto, Shaman King, and Digimon: Digital Monsters. Beyond anime, her voice work extends to live-action dubbing, where she is recognized for dubbing Lois Wilkerson in Malcolm in the Middle, Minerva McGonagall in the Harry Potter films, and Agatha Trunchbull in Matilda. She has also voiced characters in video games, including D'Vorah in Mortal Kombat and Camille in League of Legends.

Throughout her career, Giner has frequently collaborated with various actors in the dubbing industry. One notable recurring collaboration is with voice actress Annie Rojas, with whom she has worked on at least five separate titles. More broadly, Giner has become known as the regular Latin American Spanish voice for several prominent international actresses, including Judi Dench, Meryl Streep, Jane Fonda, Jamie Lee Curtis, and Kathy Bates.

Giner has received recognition for her lasting impact on Latin American dubbing. Her portrayal of Lois in Malcolm in the Middle and Agatha Trunchbull in Matilda has been widely embraced by audiences, with the latter character becoming popular through internet memes. She has described the role of Lois as one with which she personally identified, noting the character's explosive temperament. She has also cited the role of Zim as one of her favorite and most enjoyable performances. Her career spans hundreds of productions across animation, live-action dubbing, audiobooks, and video games, establishing her as a prominent and respected figure in the Spanish-language voice acting community.