Housemon

Housemon is literally a giant house, and was a minion of Puppetmon's. It appeared in Ogremon's Honor. Puppetmon activated Housemon to battle the digi-destined when he lost his hammer and was forced in a corner.

Digimon Adventure (manga)
In the TOKYOPOP adaptation of the anime series, Puppetmon's mansion was a digimon called Housemon.