Fernando Ulloa was a prominent Spanish voice actor based in Barcelona, recognized for his extensive work dubbing anime and Western films into Spanish for several decades. He was born in Madrid, Spain, and his professional career in dubbing began in 1940, lasting until at least 1997. Ulloa passed away on April 9, 2002.

Ulloa's voice became familiar to Spanish audiences through a vast number of roles, with some sources estimating his dubbing credits to exceed two thousand. He was notably the regular Spanish dubbing voice for actor James Stewart in over fifty films. In the realm of anime, he contributed to the Spanish dubs of numerous classic series and films during the late 20th century. Among his most recognized voice roles in animation are the wizard Merlín in the series Entaku no Kishi Monogatari: Moero Arthur, Shuhei Furuta in the original video animation Sohryuden - Legend of the Dragon Kings, and Kuf in the special Andromeda Stories. His other notable anime credits include roles such as Professor Smith in Mazinger Z, the Masked Samurai in Ninja Scroll, and various characters in series like Space Pirate Captain Harlock and Ulysses 31.

In addition to his prolific dubbing career, Fernando Ullo also worked as an on-screen actor in Spanish films and television from the early 1960s until the mid-1980s. He appeared in numerous productions, often in supporting roles, with credits including the television miniseries El conde de Montecristo and films such as La bella Lola and Horror Story. His contributions across both voice and on-screen performance established him as a dedicated and versatile figure in Spanish entertainment for over fifty years.