Since you guys requested him so much, Matthew will appear as a boss character in Petit 3 Stage 4!
Quotes:
I'd like to pay tribute to the Skyward series, so I made Matthew a boss. - Rich3001k
Matthew was the right person for the boss-over role - Goomylord
It shoulda been Desert Wolf! IT SHOULDA BEEN DESERT WOLF!!! - Dealwithitdewott
127% legit.