Yeah, that's where I learned about it by listening to one of the podcasts they had about it.
Interestingly enough Pony Canyon had actually made a game for House on the MSX, So I'm not entirely sure if they just liked the design of the monsters or figured they could just stick them in because they still had the license, kind of like how Spider-Man was in Revenge of Shinobi. Here's a video of the MSX game: