Metre Square

Appearance
Metre Square is like a Slime Block but he is grey like Metal Square and the name "Metre Square" looks like "Metal Square", he is owner of the Object Buddies Studio (he is possibly known as Jay RocoCat Manly Wharf Fan)

In A New Way For Platforms
Metre Square is just at the beginning of the episode sleeping and then Surround managed to wake him up and mentioned the place were the show