The Grautsch Robot (Grouch Robot) appeared on Sesamstrasse in episode 2313.

The robot was created by Rumpel and programmed to be unfriendly and to create disorder and chaos on Sesamstrasse. However something had gone wrong and the robot was not acting very Grouch like, instead of it's intended purpose it started to clean up around Rumpel's barrel and was very polite towards Mehmet. Rumpel tried to fix it a few times, with Mehmet's help.