Joachim "Achim" Hall (b. 1941) is a German puppeteer who performed Rumpel on Sesamstrasse, the German co-production of Sesame Street, from 1989 until 2008. In the 1990s, he acted on-camera in the recurring "Strassenmäuse" segments as Fritz, the father of a bus-dwelling family.
A trained actor, Hall also worked on the classic German puppet series Hallo Spencer, performing Spencer and Lexi. He has been heard on German radio in productions of The Secret Garden, "The Adventure of the Priory School," and The Last Shaft. Other voice credits include the German version of the video game Realms of Arkania III: Shadows Over Riva and dubbing Lance Henriksen in the 2018 low budget film A Reckoning.