Gabriel Martins is a Brazilian voice actor known for his work on anime series dubbed into Portuguese. He has built a career voicing a range of lead and supporting characters, often portraying young protagonists or energetic individuals.

One of his prominent roles is Koku in the original Netflix anime series B: The Beginning. Martins voiced the character in both the first season and its sequel, B: The Beginning Succession, for the Brazilian Portuguese dub, a role he performed at Unidub studios under the direction of Ursula Bezerra. He also took on the lead role of Dan Kouzo, the enthusiastic protagonist of Bakugan Battle Planet.

Martins has frequently collaborated with other voice actors and studios in the industry. He voiced Shuichi Kagaya in the supernatural series Gleipnir and Milo Nekoyanagi in Sabikui Bisco. The latter was dubbed at DuBrasil studio and featured fellow voice actor Bruno Casemiro as the lead, Bisco Akaboshi. His work spans various genres, contributing to the Brazilian Portuguese versions of popular anime for streaming platforms and television.