The owner's name is BryceCorp, a Frenchman who in these videos takes the world on a tour of his video games. To give you an idea of the scale of his possessions, the tour takes 150 minutes.

It's split up into ten parts, each dealing with only a console or two. Here are the first few, focusing on his Neo Geo, Mega Drive and Saturn games, while you can find the rest of them here.

Special Interview w/ BRYCECORP [Unparalleled Retro Games Collector] [++ Good Games, via 4CR]