César Tunas is a Brazilian voice actor known for his work in dubbing anime and other animated series into Portuguese. He has been active in the Brazilian voice acting industry, contributing to the localization of various shows for Portuguese-speaking audiences. Tunas is recognized for voicing Julius von Littenheim in the anime Wise Man's Grandchild and Manami Daimon in Tribe Nine. In addition to these roles, he provides the Portuguese voice for Chrome in Dr. Stone and Ren Amaki in The Rising of the Shield Hero. He frequently collaborates with dubbing studios in São Paulo, such as Unidub, where many of these anime projects are recorded. His work has made him a familiar presence in the Brazilian anime dubbing scene, though specific awards or recurring collaborations with particular directors are not extensively documented.