Roger Aquino is a voice actor known for his extensive work in the Filipino dubbing industry, providing voices for numerous characters in Tagalog-language versions of anime series. His career encompasses a wide range of roles, from lead protagonists and mentors to iconic villains and comic relief characters. Among his most recognized performances is the voice of the self-proclaimed king of Dream Land, Dedede, in the anime adaptation Kirby: Right Back At Ya!. He also voiced the character Guru Armanda across two related series, B-Legend! Battle Bedaman and its follow-up, Battle B-Daman: Fire Spirits, as well as the role of Doctor Claude in Chō Soku Henkei Gyrozetter.

Aquino's filmography demonstrates his versatility and long-standing presence in the industry. He has taken on prominent roles in major anime franchises, such as the cunning Treize Kushrenada in Mobile Suit Gundam Wing, the powerful Head-Captain Shigekuni Yamamoto-Genryūsai and later Isshin Kurosaki in Bleach, and the villainous Mumm-Ra and the wise Jaga in the 2011 revival of Thundercats. His repertoire also includes the gentle Fujitaka Kinomoto and the large form of Keroberos in the GMA Network dub of Cardcaptor Sakura, the boisterous Prince Philionel el de Saillune in multiple Slayers series, and several characters in the complex fantasy series The Vision of Escaflowne, including Folken Lacour de Fanel. Further demonstrating his range, he voiced Professor Hiroshi Agasa and Officer Wataru Takagi in the Case Closed anime and appeared in series such as Astro Boy, Samurai 7, and SD Gundam Force.

Throughout his career, Roger Aquino has frequently lent his voice to characters in long-running and popular franchises, often appearing in multiple roles within the same series or taking on parts in various installments of a franchise. His notable recurring involvements include voicing characters across the three main Slayers television series and taking on multiple roles within The Vision of Escaflowne and Bleach. His work is primarily associated with Tagalog dubs produced for broadcast in the Philippines. His sustained involvement in dubbing major international animated properties, from classics like Heidi - A Girl of the Alps to modern action series like Monsuno, marks him as a significant and enduring figure in Filipino voice acting.