Maximilian Laprell is a German actor and voice artist born in 1983 in Tegernsee, Germany. He trained as an actor at the Max Reinhardt Seminar in Vienna, completing his studies in 2007. Following his education, Laprell established a career on stage, performing at theaters such as the Stadttheater Koblenz and the Vorarlberger Landestheater, and has also appeared in numerous German television productions including Dahoam is dahoam, Die Rosenheim-Cops, and SOKO Kitzbühel.

In addition to his on-screen work, Laprell is active as a voice artist, lending his voice to characters in German-dubbed anime series and serving as a narrator for audiobooks. Among his noted anime roles is Musashi Gouda in the German dubbed version of the anime series Mob Psycho 100 II. He also provided the German voice for the character Shun'ya Satou in the series Godzilla Singular Point.

Laprell's voice work extends to other audiovisual media. While he is credited with a role in the anime franchise The Testament of Sister New Devil, the specific character of Leohart in The Testament of Sister New Devil BURST, as mentioned in the query, cannot be verified from the available information. A recurring collaboration is not evident from the confirmed roles listed in available sources. Beyond anime, his voice can be heard in various German audiobook productions, such as Throne of the Fallen - Verführt.