Christos Topoulos is a German voice actor known for his work in the German dubs of anime series and films. Based on available casting information, he is frequently active in Hamburg-based synchronization studios. His voice credits encompass a range of characters, from supporting roles to more prominent figures in internationally distributed Netflix anime productions.

A significant portion of Topoulos's known roles comes from his work on anime series adapted for the German market. One of his credited roles is Ryuu Tachibana in the 2018 comedy series Back Street Girls: Gokudols. In this series about three yakuza members forced to become idol singers, Topoulos was cast in the German version produced by Postperfect Hamburg GmbH. He also voiced the character Steve in the 2018 anthology film Flavors of Youth, providing the German voice for the character originally voiced by Hiroki Yasumoto in the Japanese version.

Topoulos has multiple roles in the Netflix original anime B: The Beginning and its sequel. In the first season of B: The Beginning, he voiced the character Gilbert Ross. He reprised this role for the 2021 sequel series, B: The Beginning Succession, and additionally provided the voice for another character in the series, Yukikaze. His work in these productions places him among a cast of regular German voice actors working on Hamburg-based dubs for international streaming platforms.

Beyond these specific titles, Topoulos has a broader presence in German anime dubbing. His other voice credits 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. In addition to animation, his voice work extends to German audio drama productions, or Hörspiele, including titles such as Die drei!!! and Die Punkies.