Reiner Sauberhasi, a vacuum sales rabbit, appeared on Sesamstrasse in episode 2350. He tried to sell a vacuum cleaner, the Saugi2000, to Rumpel, but did not have any luck with that. He got lucky when, while coming through Nils' store, Nils' vacuum cleaner broke, and he made a sale. He then got the idea of selling Nils' used vacuum cleaner to Rumpel, and him being a grouch, that also turned into a successful sale. He ended up concluding that it was his lucky day.