Christos Topulos is a German voice actor known for his extensive work in the German dubbing industry, particularly for anime series and films. Based on available casting information, he is frequently active in Hamburg-based synchronization studios, where he provides voices for a wide range of characters in German-language adaptations of Japanese animation.

Topulos has built a substantial portfolio of roles across numerous popular anime titles. One of his earlier credited roles is Ryuu Tachibana in the Girls: Gokudols, a show about three yakuza members forced to become idol singers. In the same year, he voiced the character Steve in the anthology film Flavors of Youth. He has multiple roles within the Netflix original anime B: The Beginning, first voicing Gilbert Ross in the initial season. He later reprised this role for the 2021 sequel series, B: The Beginning Succession, while also providing the voice for a second character in the series, Yukikaze. His other voice credits in anime include the character Zetsu in the long-running series Naruto Shippūden and its associated film, Road to Ninja: Naruto the Movie. He is also credited with roles in series such as ACCA: 13-Territory Inspection Dept., Gintama, The Seven Deadly Sins the Movie: Prisoners of the Sky, Wise Man's Grandchild, and Mushoku Tensei: Jobless Reincarnation.

One of his notable recent roles is Luther Garland in the German dub of the anime series Reign of the Seven Spellblades, which premiered in 2023. The German dub was produced by Crunchyroll and released in 2024, with Topulos being cast as this character. Beyond voice acting, his work extends to writing for German dubs, having penned the dialogue book for the series Tribe Nine. Additionally, his voice work includes roles in German audio drama productions, or Hörspiele, such as Die drei!!! and Die Punkies, as well as lending his voice to video games like Broken Sword 5: The Serpent's Curse.