Broque Monsieur

Brirock is a character in the upcoming Mario & Luigi RPG 3. It will assist the Marios while they are inside Bowser's body. It appears to be made from ? Blocks. According to the Japanese official site, he is the Mushroom Kingdom's leading block collector. He has a dog, Blodog, and manages a store. It also seems that he speaks English. In a screenshot, he says "Oh my dog! Was[sic] happen!" and in a trailer "Big! It's big!" in reference to Bowser, who has become huge.

Trivia

 * Brirock is a pun on Brick Block